Calculators and units TOOL

Percentage calculator

Calculate percentages, ratios and percentage change.

Ratios with a zero denominator display —. Percentage change uses the absolute value of a negative starting value.

Percentage calculator · How to use

Calculate percentages, ratios and percentage change.

Example

A=200, B=10 → B percent of A is 20

Things to know

Percentage of a value, percentage share and percentage change are different calculations. Check result labels and base values.

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