What is 100 increased by 15%?

115

100 increased by 15% is 115.

How it is worked out

Multiply by 1 plus the percentage as a decimal. One step, not two.

100 × 1.15 = 115 — an increase of 15

Try your own numbers

Answer115

Open the full percentage calculator for every other form.

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Questions

What is 100 increased by 15%?
100 increased by 15% is 115. 100 × 1.15 = 115 — an increase of 15.
How do you work this out?
Multiply by 1 plus the percentage as a decimal. One step, not two.
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.