Percentage Calculator
Use three simple percentage modes for everyday calculations.
Result
Enter values
How this calculator works
X% of Y: (X / 100) × Y
X is what % of Y: (X / Y) × 100
Percentage change: ((New - Old) / Old) × 100
Example
18% of 25,000 = 4,500. If a value rises from 500 to 650, the percentage increase is 30%.
Frequently asked questions
Can this calculate percentage increase and decrease?
Yes. Select percentage change and enter the old and new values.
What happens if the original value is zero?
Percentage change from zero is not defined, so the calculator will ask for a non-zero original value.
Can I use decimal values?
Yes. Decimal values are supported.