Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $3209 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 = (3209 x 80) / 100
Amount Saved = 256720 / 100
Amount Saved = $2567.2 (answer).
In other words, a 80% discount for a purchase with an original price of $3209 equals $2567.2 (Amount Saved), so you'll end up paying 641.8.