What is the percentage change from 15 to 20?
33.33% increase
From 15 to 20 is a 33.33% increase.
How it is worked out
Subtract the old value from the new one, divide by the OLD value, then multiply by 100. Dividing by the new value is the usual mistake.
20 − 15 = 5, and 5 ÷ 15 × 100 = 33.33%
Try your own numbers
Answer33.33% increase
Open the full percentage calculator for every other form.
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Percentage change
Questions
- What is the percentage change from 15 to 20?
- From 15 to 20 is a 33.33% increase. 20 − 15 = 5, and 5 ÷ 15 × 100 = 33.33%.
- How do you work this out?
- Subtract the old value from the new one, divide by the OLD value, then multiply by 100. Dividing by the new value is the usual mistake.
- 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.