Advanced Percentage Calculator

7 free online tools to calculate percentages for discounts, tips, increases, and more

What is X% of Y?

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X is what % of Y?

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Percentage Change

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How to Calculate Percentages

What is a percentage?

A percentage is a way to express a number as a fraction of 100. It is denoted using the percent sign (%).

How to calculate percentage of a number?

To calculate X% of Y, use the formula: (X/100) * Y. For example, 20% of 50 is (20/100)*50 = 10.

How to calculate percentage increase?

Percentage increase = [(New Value - Original Value) / Original Value] * 100

How to calculate percentage decrease?

Percentage decrease = [(Original Value - New Value) / Original Value] * 100