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Percentage calculator

Find a percentage of a value, a part’s share or a percentage change.

How to use

Choose the calculation type and enter the two values. The result updates as you type.

Calculation method

p ÷ 100 × b; a ÷ b × 100; (b − a) ÷ a × 100

Example

20% × 250 = 50

Questions

What should I check?

A share cannot use a zero denominator. Percentage change needs a positive starting value.

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