77/91 as a percentage is 84.62%.
The fraction 77/91 can also be written in a simpler form, which makes it easier to see how close it is to a whole number. Even though the numbers look big, the value is just under 85 percent of a whole.
You’ll often see this kind of percentage when comparing parts of a group, like the number of students who passed a test out of the total who took it. In this case, about 84.62 out of every 100 would succeed.
Remember the percentage when you need a quick estimate—it's a handy way to think about the fraction without doing the math each time.