How to use
- 1
Find the calculation you need.
- 2
Type numbers; results update instantly.
- 3
Copy the result.
When to use it
Shopping
Work out discounts.
Pay raises
Find the percent increase.
Grades
Score as a percent.
Good to know
- Percent change = (new β old) Γ· old Γ 100.
- Percentage points are a plain difference.
- Commas are fine.
FAQ
Stock gains?
Use percent change with your buy and current price.
Price before 20% off?
Use "original value before a percent change".
Decimals?
Up to four places.