Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $135 and you need to know how much will you save on your purchase if the discount is 58 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (135 x 58) / 100
Amount Saved = 7830 / 100
Amount Saved = $78.3 (answer).
In other words, a 58% discount for a purchase with an original price of $135 equals $78.3 (Amount Saved), so you'll end up paying 56.7.