Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $3937 and you need to know how much will you save on your purchase if the discount is 45 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (3937 x 45) / 100
Amount Saved = 177165 / 100
Amount Saved = $1771.65 (answer).
In other words, a 45% discount for a purchase with an original price of $3937 equals $1771.65 (Amount Saved), so you'll end up paying 2165.35.