Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $905 and you need to know how much will you save on your purchase if the discount is 64 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (905 x 64) / 100
Amount Saved = 57920 / 100
Amount Saved = $579.2 (answer).
In other words, a 64% discount for a purchase with an original price of $905 equals $579.2 (Amount Saved), so you'll end up paying 325.8.