Percentage calculator
Calculate percentages, proportions and the variation between two values in the browser.
Processed on this device. The files are not sent to a server.
How to use this tool
- Choose A % of B, proportion or variation.
- Enter A and B with a comma or decimal point.
- Review and copy the result.
What you should know
Values up to ±1 billion and 12 significant figures in presentation. Proportion and variation reject zero divisor. The variation divides by the initial absolute value; does not estimate interest.
What does the variation mean?
Calculates (final value − initial value) / initial absolute value × 100. If the initial value is zero, there is no defined percentage variation.