Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $9857 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 = (9857 x 99) / 100
Amount Saved = 975843 / 100
Amount Saved = $9758.43 (answer).
In other words, a 99% discount for a purchase with an original price of $9857 equals $9758.43 (Amount Saved), so you'll end up paying 98.57.