The fraction 15/17 works out to 88.24% when you turn it into a percent. This number tells you how much of a whole 15 parts out of 17 represent.
Since the fraction is a little less than one whole, the percentage is just under 100 %. It’s a handy figure when you need a quick sense of size—like saying a test score of 15 correct answers out of 17 questions is about eighty‑eight percent correct.
You can see the same value in other situations, such as a recipe that calls for 15 out of 17 cups of an ingredient, or a sports team that wins 15 of its last 17 games. In each case, the result is roughly 88.24% of the total.