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％ Percentage Calculator

Calculate X% of a number

15 % of 200 equals 30

What % is

45 → 22.5% of total 200

Percentage change

Change: 33.3333% ↑ increase

Percentage Calculator

Percentages are everywhere: store discounts, interest rates, price increases and profit changes. This calculator answers the three most common questions at once: what is X% of Y? What percent is X of Y? And what is the change between two numbers? All instant and error-free.

FAQ

How do I calculate a discount?

Multiply the price by the discount percentage then divide by 100. Example: 20% off 250 = 250 × 20 ÷ 100 = 50, so final price is 200.

What does negative percentage change mean?

It means a decrease: moving from 200 to 150 is -25%, i.e. it dropped by a quarter of its value.