Percentage Calculator

Select a calculation type and enter values to calculate percentages.

Calculation Types

What percent is X of Y?

Find what percentage X represents of Y

Result = (X / Y) × 100

What is X% of Y?

Calculate X percent of a given value Y

Result = (X / 100) × Y

Percent change from X to Y

Calculate the percentage change between two values

Result = ((Y - X) / X) × 100

X increased by Y%

Calculate the result of increasing X by Y percent

Result = X + (X × Y / 100)

X decreased by Y%

Calculate the result of decreasing X by Y percent

Result = X - (X × Y / 100)
  • Real-time: Results update as you type
  • Multiple modes: Various percentage calculations
  • Clear formulas: See the calculation method
  • Copy: Easy copy of results