77/87 as a percentage is 88.51%. This rounded value gives a quick sense of how large the fraction is compared to a whole.
The fraction 77/87 is a bit less than 9/10, so you can think of it as being just under 90%. In everyday terms, if you had 87 pieces of something and you owned 77 of them, you would own about 88.5% of the total.
People often use this kind of percentage when they need a simple way to compare parts of a whole, like in grades, survey results, or inventory counts. Remember that the 88.51% figure is already rounded to two decimal places for easy reading.
