Percentage Calculator
Every common % operation on one page — pick the box you need.
What is X% of Y?
% of
=
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X is what % of Y?
is what % of
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Percentage change from X to Y
From
to
=
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Discount price
$
minus
% off =
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The maths behind each answer
- X % of Y = (X × Y) ÷ 100
- X is what % of Y = (X ÷ Y) × 100
- % change = ((Y - X) ÷ X) × 100
- Discounted price = Original × (1 - Discount/100)