57/99 as a percentage is 57.58%. This is the rounded value you would see on a report card or a chart when the fraction is turned into a percent.
The fraction 57/99 can be simplified by dividing both numbers by 3, giving 19/33. Even in its simpler form, it still represents a little more than half of a whole, which is why the percent lands just above 50%.
Percentages like 57.58% are useful for comparing parts of a whole in everyday situations—whether you’re looking at test scores, discounts, or statistics. It gives a clear, quick picture of how large a part the fraction really is.