Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1390 and you need to know how much will you save on your purchase if the discount is 56 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1390 x 56) / 100
Amount Saved = 77840 / 100
Amount Saved = $778.4 (answer).
In other words, a 56% discount for a purchase with an original price of $1390 equals $778.4 (Amount Saved), so you'll end up paying 611.6.