77/90 is equal to 85.56% when rounded to two decimal places. This percentage tells you how much of a whole 77 out of 90 represents.
The fraction 77/90 can be thought of as a part of a whole that’s a little less than one. In everyday terms, it’s similar to saying you got 77 points out of a possible 90 on a test, which would be a solid score.
Because the percentage is above 80%, it shows a strong performance. You can use either the fraction or the percentage depending on which one makes more sense for the situation you’re describing.