Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4250 and you need to know how much will you save on your purchase if the discount is 81 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (4250 x 81) / 100
Amount Saved = 344250 / 100
Amount Saved = $3442.5 (answer).
In other words, a 81% discount for a purchase with an original price of $4250 equals $3442.5 (Amount Saved), so you'll end up paying 807.5.