Reverse Percentage Calculator
Use this free reverse percentage calculator to find the original value before a percentage increase or decrease.
Backwards Percentage Calculator
Easily calculate reverse percentages using our free online tool. Whether you’re working out the original price before a discount or figuring out a value before markup, this backwards percentage calculator gives you the original number in seconds.
To use this reverse calculate percentage tool, simply enter the final value and the percentage increase or decrease that occurred. Then hit “Calculate” and we’ll tell you what the original value was. It’s a perfect fit for students, shoppers, accountants, and anyone needing to calculate reverse percentage.
Why Use This Reverse Percentage Calculator?
- ✔️ Calculate the original value before percentage change
- ✔️ Works for both increases and decreases
- ✔️ Perfect for discounts, markups, taxes, and sales analysis
What is a reverse percentage calculator?
It’s a tool that helps you find the original amount before a percentage increase or decrease was applied. This is useful for calculating prices before discounts or values before markup.
How do I reverse calculate percentage?
Enter the final value and the percentage change. If it was an increase, divide by (1 + percentage/100). If it was a decrease, divide by (1 – percentage/100).
Can I use this for discounts?
Yes! This backwards percentage calculator is ideal for calculating original price before a discount or price hike.
What’s the formula used in this calculator?
Increase: Original = Final / (1 + percentage / 100)
Decrease: Original = Final / (1 – percentage / 100)