Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $42 and you need to know how much will you save on your purchase if the discount is 71 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (42 x 71) / 100
Amount Saved = 2982 / 100
Amount Saved = $29.82 (answer).
In other words, a 71% discount for a purchase with an original price of $42 equals $29.82 (Amount Saved), so you'll end up paying 12.18.