Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $8639 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 = (8639 x 45) / 100
Amount Saved = 388755 / 100
Amount Saved = $3887.55 (answer).
In other words, a 45% discount for a purchase with an original price of $8639 equals $3887.55 (Amount Saved), so you'll end up paying 4751.45.