Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $391 and you need to know how much will you save on your purchase if the discount is 5 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (391 x 5) / 100
Amount Saved = 1955 / 100
Amount Saved = $19.55 (answer).
In other words, a 5% discount for a purchase with an original price of $391 equals $19.55 (Amount Saved), so you'll end up paying 371.45.