34/88 as a percentage is 38.64%. This is the rounded value you get when you change the fraction into a percent, and it’s useful for quick comparisons with other numbers.
The fraction 34/88 can be simplified by dividing both the numerator and the denominator by 2, giving 17/44. Even in its reduced form, the value stays the same, and you can still express it as 38.64% when you need a percent.
Knowing the percent makes it easier to see how large 34 out of 88 is in everyday terms. For example, if you scored 34 points out of a possible 88 on a test, you’d have earned about 38.64% of the total points.