Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $185 and you need to know how much will you save on your purchase if the discount is 89 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (185 x 89) / 100
Amount Saved = 16465 / 100
Amount Saved = $164.65 (answer).
In other words, a 89% discount for a purchase with an original price of $185 equals $164.65 (Amount Saved), so you'll end up paying 20.35.