What is 50 decreased by 20%?

40

50 decreased by 20% is 40.

How it is worked out

Multiply by 1 minus the percentage as a decimal.

50 × 0.8 = 40 — a reduction of 10

Try your own numbers

Answer40

Open the full percentage calculator for every other form.

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Questions

What is 50 decreased by 20%?
50 decreased by 20% is 40. 50 × 0.8 = 40 — a reduction of 10.
How do you work this out?
Multiply by 1 minus the percentage as a decimal.
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.