Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $3966 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 = (3966 x 45) / 100
Amount Saved = 178470 / 100
Amount Saved = $1784.7 (answer).
In other words, a 45% discount for a purchase with an original price of $3966 equals $1784.7 (Amount Saved), so you'll end up paying 2181.3.