Sale Percentage Calculator
Work out the discount (sale) percentage from original price and sale price. See how much you save and what % off that is.
What is Sale Percentage?
Sale percentage is the discount expressed as a percentage of the original price. Formula: (Original − Sale Price) ÷ Original × 100. For example, £100 reduced to £75 is a 25% sale (25% off). Use it to compare discounts and see how much you save.
Frequently Asked Questions
How is sale percentage (discount) calculated?
Sale (discount) percentage = ((Original Price - Sale Price) / Original Price) × 100. It shows what percentage off the original price the sale represents.
What is sale percentage used for?
To work out the discount percentage when a price is reduced (e.g. £100 down to £75 = 25% off), or to see what percentage of the original the sale price is.
Can I use this for sale price as % of original?
Yes. The calculator shows both the discount amount and the discount %. Sale price as % of original = 100% minus discount % (e.g. 25% off means sale price is 75% of original).
Is this calculator free?
Yes. Enter original price and sale price to get discount amount and sale percentage. No registration required.
Related Calculators
Cite This Calculator
Reference this calculator on your website or in your work using the citation below:
HTML Citation Code:
<p>Calculator: <a href="https://onlinecalculator.co.uk/percentage/sale-percentage-calculator" target="_blank">Sale Percentage Calculator</a> - OnlineCalculator.co.uk</p>APA Style Citation:
OnlineCalculator.co.uk. (2025). Sale Percentage Calculator. Retrieved from https://onlinecalculator.co.uk/percentage/sale-percentage-calculatorNote: This calculator is free to use and reference. No permission required for educational or commercial citation.