90/92 as a percentage is 97.83%. This number tells you that the fraction is very close to a whole, just a little bit less than 100 %.
The fraction 90/92 can be thought of as 90 parts out of a total of 92 equal parts. Because the numerator is only two less than the denominator, the value is high, which is why the percentage is also high.
In everyday situations, you might see this kind of number when something is almost complete, like a test score of 90 correct answers out of 92 questions. Rounding to two decimal places gives 97.83%, which is a clear and easy way to express the result.