Percentage Calculator

Calculate percentages, discounts, percent change, and ratios instantly in your browser.

What is X% of Y?

% of
Result: 0

X is what percent of Y?

of
Result: 0%

Percentage increase or decrease

to
Change: 0%

Discount price

with% off
Final price: 0

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Common formulas

Percentage of a number: total x percent / 100.

Percentage of total: part / total x 100.

Percent change: (new value - old value) / old value x 100.

Discount price: original price x (1 - discount percent / 100).

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