Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1745 and you need to know how much will you save on your purchase if the discount is 81 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1745 x 81) / 100
Amount Saved = 141345 / 100
Amount Saved = $1413.45 (answer).
In other words, a 81% discount for a purchase with an original price of $1745 equals $1413.45 (Amount Saved), so you'll end up paying 331.55.