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Numbers & Dates

Percentage Calculator

% of a number · X is what % of Y · % change

What is P% of Y?

e.g. 20% of 500 = 100

X is what % of Y?

e.g. 50 out of 200 = 25%

% change from X to Y

e.g. 100 → 150 = +50%

P% of what number is X?

e.g. 20% of what is 50 = 250

How it works

How it works

What is X% of Y?

What is 20% of 500?

Result = (X ÷ 100) × Y

  1. 1.Divide X by 100
  2. 2.Multiply by Y

(20 ÷ 100) × 500 = 100

X is what % of Y?

50 is what % of 200?

Result = (X ÷ Y) × 100

  1. 1.Divide X by Y
  2. 2.Multiply by 100

(50 ÷ 200) × 100 = 25%

% change from X to Y

Change from 100 to 150?

Result = ((Y − X) ÷ X) × 100

  1. 1.Subtract X from Y
  2. 2.Divide by X
  3. 3.Multiply by 100

((150 − 100) ÷ 100) × 100 = +50%