Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $380 and you need to know how much will you save on your purchase if the discount is 11 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (380 x 11) / 100
Amount Saved = 4180 / 100
Amount Saved = $41.8 (answer).
In other words, a 11% discount for a purchase with an original price of $380 equals $41.8 (Amount Saved), so you'll end up paying 338.2.