56/58 as a percentage is 96.55%. This number tells you how close the fraction is to a whole, and it’s already rounded to two decimal places.
The fraction 56/58 can also be seen as 28/29 after simplifying. Because the numerator is only a little smaller than the denominator, the value is just under 1, which is why the percentage is so high.
In everyday situations, a value like 96.55% might be used to show a high success rate, an almost full capacity, or a strong agreement. Rounding to two decimals makes it easy to read and compare with other percentages.