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Get number from percentage

Updated: March 13, References. Knowing how to calculate percentages will help you not only score well on a math test but in the real world as well. They are used for calculating tips in restaurants, finding out the nutritional content of your food, or even determining statistics of your favorite sports team. Regardless of how you plan to use the knowledge, calculating percentages is fundamental and quite easy overall.

SEE VIDEO BY TOPIC: How To Find The Percent of a Number Fast!

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SEE VIDEO BY TOPIC: How to determine the percent between two whole numbers

Calculating percentages

Algebra is a mathematical method used to calculate unknown values. Variables, which are generally represented by a letter of the alphabet, represent unknown values in an equation. Isolating the variable determines its value. Algebra is part of the high school math curriculum but also applies to many real-life situations.

For example, calculating the value of a total from a known percentage is a valuable tool for determining the total number of voters in an election or calculating the total salary based on a percentage raise. Understand the meaning of percentage. The word percent comes from a Latin word meaning "for each Note the value of the percentage. Create an equation that shows the fractional relationship between the percentage and its value.

Use the variable x to represent the unknown total. Cross-multiply the equation to bring the variable to one side of the equation as a whole number. Multiply values diagonal from each other in the equation, i. Divide both sides of the equation by the co-efficient, 2. Replace x with and solve both sides of the equation to ensure that it balances. Cross-multiplication is a shortcut that combines two steps of the algebraic solution process.

This provides the same result as multiplying the entire equation by the product of the denominators, and x. Come up with a common denominator then reduce the equation to its lowest terms. To determine totals from a percent in the future, multiply the given percentage value by and divide that product by the percent.

This method works in any instance where a percentage and its value are given. Heather Lacey is a freelance writer who has been specializing in print and Web articles since She is a regular contributor to "Go Gilbert!

Lacey has a professional background in hospitality management and studied journalism at Phoenix College. Things You'll Need. About the Author. Copyright Leaf Group Ltd.

Percentage Calculator

By Ashley Watters, Abshier House. Calculating percentages can be an easy task. The word percentage comes from the word percent. If it snowed 13 times in the last days, it snowed 13 percent of the time. The numbers that you will be converting into percentages can be given to you in 2 different formats, decimal and fraction.

Welcome to the our Reverse Percentages Calculator. Here you will our reverse percentage calculator which will help you to find the original number before a percentage increase or decrease. Our calculators will not only find the original numbers, but also show you all the working out along the way!

If you have an amount and the percentage that the amount represents of a total, you can calculate the total with a formula that simply divides the amount by the percentage. Excel simply divides the value in cell C6 by the percentage value in cell D6. Formulas are the key to getting things done in Excel. You'll also learn how to troubleshoot, trace errors, and fix problems. Instant access.

How to Calculate an Unknown Total When You Know the Amount of the Percent

Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations. There are many formulas for percentage problems. The formulas below are all mathematical variations of this formula. There are nine variations on the three basic problems involving percentages. See if you can match your problem to one of the samples below. The problem formats match the input fields in the calculator above. Formulas and examples are included.

Get total from percentage

In order to calculate percentages online, click the button. The result appears on the next page. If there are errors, the result field will be empty. Find the percentage change between two values or calculate a percent of a value before and after.

The guidance below will help you work through percentage calculation problems including those found on the percentage worksheets page. As you guide your child you should also take the opportunity to explain the importance and relevance of percentage calculations: pay rises, allowance rises, interest rates, discounts on sale items etc. Learning is always improved when the relevance of what is being learned is appreciated. Percentages can be written as decimals by moving the decimal point two places to the left:.

Reverse Percentages Calculator

In mathematics, a percentage is a number or ratio that represents a fraction of Although the percentage formula can be written in different forms, it is essentially an algebraic equation involving three values. P is the percentage, V 1 is the first value that the percentage will modify, and V 2 is the result of the percentage operating on V 1. The calculator provided automatically converts the input percentage into a decimal to compute the solution.

SEE VIDEO BY TOPIC: Finding a Percent of a Number - Calculating Percentages

Algebra is a mathematical method used to calculate unknown values. Variables, which are generally represented by a letter of the alphabet, represent unknown values in an equation. Isolating the variable determines its value. Algebra is part of the high school math curriculum but also applies to many real-life situations. For example, calculating the value of a total from a known percentage is a valuable tool for determining the total number of voters in an election or calculating the total salary based on a percentage raise. Understand the meaning of percentage.

How to Calculate Percentages

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If you have an amount and the percentage that the amount represents of a total, you can calculate the total with a formula that simply divides the amount by the.

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Finding the total amount given the percentage of a partial amount

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