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Percentage Calculator

Calculate the percentage of a number, increase or decrease.

How is it calculated?

Result = Number × Percentage ÷ 100

Example: 250 × 20% = 50

More about this calculation

A percentage is a number expressed as a fraction of one hundred. This calculator finds what a given percentage of a number is.

To find a percentage of a number, multiply the number by the percentage and divide by one hundred. Percentages are used for discounts, taxes, tips, statistics, interest rates and growth, so being able to calculate them quickly is useful in everyday life.

Frequently asked questions

How do I calculate a percentage of a number?

Multiply the number by the percentage and divide by one hundred. For example, 20% of 250 is 50.

How do I convert a percentage to a decimal?

Divide the percentage by one hundred. For example, 25% is 0.25.

How do I find a percentage increase or decrease?

Divide the change by the original value and multiply by one hundred to get the percentage.