Percentage Reverse Calculator
Find the original base amount before tax, markup, or discount was applied.
Current / Total Amount ($)
$
Percentage Rate (%)
%
Calculation Mode
Percentage Added
(Tax / Markup / Increase)
Percentage Discounted
(Sale / Reduction)
Quick Presets
+25% Tax
+20% VAT
+10% Markup
-50% Discount
Results Breakdown
Original Base Amount:
$20,000.00
Difference (25% added):
$5,000.00
Calculation Formula:
25000 / 1.25
Copy Original Amount