Discount Percentage Calculator
Calculating discount percentage helps shoppers determine actual savings and enables businesses to display attractive offers. Our calculator instantly shows the percentage reduced from original price, helping make informed purchasing decisions and effective price comparisons.
Calculator
Discount Formula
Discount Percentage = [(Original Price - Discounted Price) / Original Price] × 100
How to Use
Enter original price in first field and discounted price in second field. Click calculate to get percentage discount. Use clear button to reset fields. Our calculator automatically computes savings percentage while handling various currencies and price ranges.
Calculation Process
1. Subtract discounted price from original price to get discount amount
2. Divide discount amount by original price
3. Multiply result by 100 to convert to percentage
Example: $100 item discounted to $75: (100-75)/100 × 100 = 25% discount
Discount Examples
| Original Price | Discounted Price | Discount% |
|---|---|---|
| $100 | $80 | 20% |
| $50 | $40 | 20% |
| $200 | $150 | 25% |
FAQs
How to calculate discount percentage between two prices?
Subtract discounted price from original price to get discount amount. Divide this amount by original price and multiply by 100. Formula: ((Original - Discounted)/Original)*100. This gives percentage saved from original price.
Can discount percentage exceed 100%?
No legitimate discount can exceed 100% as that would imply paying negative price. Anything over 100% indicates error or free product. Businesses cannot offer more than 100% discount as they would lose money.
How to calculate reverse percentage?
To find original price from discount percentage: Original Price = Discounted Price / (1 - (Discount%/100)). For example, if $75 is 25% off: 75/(1-0.25) = $100 original price.
Why calculate discount percentage?
Percentage discounts help compare savings across different priced items. It standardizes savings measurement, allowing consumers to identify best deals regardless of product price ranges.
Difference between flat and percentage discount?
Flat discount is fixed amount (e.g., $10 off), while percentage discount varies with original price. Percentage discounts offer proportional savings, better for expensive items, while flat discounts benefit cheaper products.
How to verify store discount calculations?
Use our calculator to input advertised original and sale prices. Compare computed percentage with store's claim. Discrepancies may indicate pricing errors or misleading marketing practices.
Calculate discount for multiple items?
For bundle discounts, calculate total original price of all items and subtract bundle price. Apply standard formula: ((Total Original - Bundle Price)/Total Original)*100.
Handling tax in discount calculations?
Discounts typically apply pre-tax. Calculate discount on base price first, then add tax. Some regions tax post-discount amount. Always check local regulations for accurate calculations.
Maximum valid discount percentage?
While technically up to 99%, most legitimate discounts range 5-70%. Extreme discounts (over 90%) often indicate clearance sales, pricing errors, or potential scams. Verify unusually high discounts.
Calculate percentage discount from amount?
If you know discount amount: (Discount Amount/Original Price)*100. Example: $20 discount on $100 item: (20/100)*100 = 20% discount. Our calculator automatically converts amounts to percentage.