Maths & numbers
Percentage calculator
Discounts, increases and everyday percentage puzzles.
A clear answer. Here’s how.
Choose a percentage of a number, subtract a percentage, or add one. The original amount is the basis of each calculation.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Original amount
- 85
- Discount
- 20%
Example result
20% of 85 is 17. Subtracting the discount gives 68.