Reverse-percentage problems: 'X is what % of Y?' or 'After Y% discount, the price is X - what was the original?'. The calculator solves these variations - enter the known partial value and the known percentage, get the original total.
When to use this
Use for: reverse-engineering pre-discount prices (paid ₹1500 after 25% off - was originally ₹2000), backing out original salary (current ₹65K, after 30% hike - was ₹50K), reverse-calculating gross from net (₹40K net after 30% tax = ₹57K gross), inverse tax computations.
Frequently Asked Questions
How do I find the original price before a discount?
Original = Discounted Price / (1 - Discount%). Example: paid ₹1500 after 25% off -> Original = 1500 / (1 - 0.25) = 1500 / 0.75 = ₹2000. The calculator does this automatically.
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