Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4380 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 = (4380 x 99) / 100
Amount Saved = 433620 / 100
Amount Saved = $4336.2 (answer).
In other words, a 99% discount for a purchase with an original price of $4380 equals $4336.2 (Amount Saved), so you'll end up paying 43.8.