Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4591 and you need to know how much will you save on your purchase if the discount is 87 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (4591 x 87) / 100
Amount Saved = 399417 / 100
Amount Saved = $3994.17 (answer).
In other words, a 87% discount for a purchase with an original price of $4591 equals $3994.17 (Amount Saved), so you'll end up paying 596.83.