Percentage calculator
Find a percentage, a share or a percentage change.
Enter a number without grouping separators (decimal: .).
How to use
- Find a percentage, a share or a percentage change.
- Enter your values and choose the options. Use the example below to check the result.
- Review the result; copy or download when available. Reset clears this tool.
Before you start
Percent change divides by the absolute starting value. A zero starting value or denominator has no defined percentage.
15% of 200 = 30; 50 → 60 is a 20% increase.