Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $189 and you need to know how much will you save on your purchase if the discount is 77 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (189 x 77) / 100
Amount Saved = 14553 / 100
Amount Saved = $145.53 (answer).
In other words, a 77% discount for a purchase with an original price of $189 equals $145.53 (Amount Saved), so you'll end up paying 43.47.