Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $140 and you need to know how much will you save on your purchase if the discount is 55 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (140 x 55) / 100
Amount Saved = 7700 / 100
Amount Saved = $77 (answer).
In other words, a 55% discount for a purchase with an original price of $140 equals $77 (Amount Saved), so you'll end up paying 63.