Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4298 and you need to know how much will you save on your purchase if the discount is 80 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (4298 x 80) / 100
Amount Saved = 343840 / 100
Amount Saved = $3438.4 (answer).
In other words, a 80% discount for a purchase with an original price of $4298 equals $3438.4 (Amount Saved), so you'll end up paying 859.6.