20 is what percent of 80?

25%

20 is 25% of 80.

How it is worked out

Divide the part by the whole, then multiply by 100.

20 ÷ 80 = 0.25, and 0.25 × 100 = 25%

Try your own numbers

Answer25%

Open the full percentage calculator for every other form.

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Questions

20 is what percent of 80?
20 is 25% of 80. 20 ÷ 80 = 0.25, and 0.25 × 100 = 25%.
How do you work this out?
Divide the part by the whole, then multiply by 100.
Can I use other numbers?
Yes — the calculator on this page takes any two numbers, and the full percentage calculator covers every form: percentage of a number, one number as a percentage of another, percentage change, increase and decrease.