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how to do a reverse percentage calculation. Combining the left two you have 70 Sell Price Cost Price. The new price 235 is equal to the old price x 07 if you dont understand why 07 have a look at the percentage increases and decreases page.
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Say we have a number that is some percent. All you have to input is the amount of sales tax you paid and the final price on your receipt. 1 24 div 80 03.
Calculating Reverse Percentage Increase.
Step 3 Divide the final number by the decimal to get back to the original number. In this example we are going to use a more abstract number and percent. Multiply this 1 by 100 to find the original price 100 previous 1 2. Find 1 by dividing the current price by 75.
