Percentage Calculator
Calculate percentage, marks percentage, percentage increase/decrease, and more.
Choose Calculation
What is X% of Y?
% of
= 250
Quick Reference
10% of 1000
100
25% of 1000
250
50% of 1000
500
75% of 1000
750
Formulas
X% of Y = (X × Y) ÷ 100
X is what % of Y = (X ÷ Y) × 100
% Change = ((New − Old) ÷ Old) × 100
Increase by X% = Value × (1 + X/100)
Decrease by X% = Value × (1 − X/100)