Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1099 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 = (1099 x 42) / 100
Amount Saved = 46158 / 100
Amount Saved = $461.58 (answer).
In other words, a 42% discount for a purchase with an original price of $1099 equals $461.58 (Amount Saved), so you'll end up paying 637.42.