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To find what percent of number y is number x, you should divide number x by number y. Then multiply your result by 100 and this will give you the percentage. Your formula should look like x/y * 100.
To find what number of x is a total of some percentage, you should divide the known percentage by 100 and multiply your result by number x. Your formula should look like y%/100 * x.

## Percentages - An Introduction | SkillsYouNeed

www.skillsyouneed.com/num/percentages.html

In mathematics percentages are used to describe parts of a whole – the whole .... Sometimes it is useful to be able to work out the actual percentages of a whole.

## Percentage Calculator

percentagecalculator.net/

Percentage Calculator is a free online tool to calculate percentages. What is % of ? %. is what percent of ? %. What is the percentage increase/decrease from to

## How to calculate percentages - HelpingWithMath.com

www.helpingwithmath.com/by_subject/percentages/per_calculating.htm

The guidance below will help you work through percentage calculation problems ... #3: Calculating with Percent e.g. 6 out of 8 is what % and 15 is 30% of what?

## Percentage Calculators - Math.com

www.math.com/students/calculators/source/3percent.htm

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to ...

## 3 Easy Ways to Calculate Everyday Percentages - wikiHow

www.wikihow.com/Calculate-Percentages

Let's say we want to find out the percentage of the jar that is taken up by the 485 ... The opposite of a percent is 100% minus the percent you are working with.

## How do you work out the percentage of something? | Reference.com

www.reference.com/math/work-out-percentage-something-f7692da0ca06542e

To calculate percentage, divide the number that is to be expressed as a percentage by the total or whole. The resulting number is then multiplied by 100 to ...

## How do you work out percentages without a calculator? | Reference ...

www.reference.com/math/work-out-percentages-calculator-8be14675e72be0eb

A calculator is always helpful when determining percentages, but you can easily compute percentages without a calculator. A pencil and paper might be helpful ...