Percentage Calculator

Eight independent calculators — basic percentages, change, difference, discount, tax, and more. All results update live as you type.

Basic — X% of Y
100
20% of 500 = 100
Percentage of — X is what % of Y
25%
50 is 25% of 200
Percentage Change
+25%
Increased by 25%
Find Original — X is Y% of what?
300
75 is 25% of 300
Add Percentage — tax / tip
Original100
Amount added (+10%)+10
110
Final total
Subtract Percentage — discount
Original200
Amount off (−20%)40
160
Final price
Percentage Difference
22.2222%
Relative difference, not change
Fraction to Percentage
Fraction3 / 4
Decimal0.75
75%
As percentage