Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4228 and you need to know how much will you save on your purchase if the discount is 99 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (4228 x 99) / 100
Amount Saved = 418572 / 100
Amount Saved = $4185.72 (answer).
In other words, a 99% discount for a purchase with an original price of $4228 equals $4185.72 (Amount Saved), so you'll end up paying 42.28.