Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $5 and you need to know how much will you save on your purchase if the discount is 49 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (5 x 49) / 100
Amount Saved = 245 / 100
Amount Saved = $2.45 (answer).
In other words, a 49% discount for a purchase with an original price of $5 equals $2.45 (Amount Saved), so you'll end up paying 2.55.