The fraction 76/87 as a percentage is 87.36%. This value is already rounded to the nearest two decimal places, so you can use it directly in any calculation that needs a percent.
When you look at the fraction, it means 76 parts out of a total of 87 equal parts. Turning that into a percent tells you how large the part is compared to the whole, which in this case is a little over 87 out of every 100.
In everyday use, you might see 87.36% on a report card, a sales chart, or a health statistic. It simply shows that the amount is close to 90% of the total, giving a quick sense of scale without needing the original fraction.