Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1378 and you need to know how much will you save on your purchase if the discount is 42 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1378 x 42) / 100
Amount Saved = 57876 / 100
Amount Saved = $578.76 (answer).
In other words, a 42% discount for a purchase with an original price of $1378 equals $578.76 (Amount Saved), so you'll end up paying 799.24.