About the Percentage Discount Calculator
What percent off is it? Find the discount percentage from the original price and sale price.
Also known as: what percent off, discount percentage, percent saved.
How to use this calculator
- Enter original price, sale price.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Discount % = (original − sale) ÷ original × 100
Worked example
Using the values pre-filled in the calculator above:
- Original price = 150
- Sale price = 99
the calculator returns:
- Discount: 34%
- You save: 51