29.29% is the percentage that 29/99 represents when rounded to two decimal places.
The fraction 29/99 is a little less than one third, because 33/99 would be exactly one third. It shows how a part of a whole can be expressed with a denominator close to a hundred, making it easy to think about in terms of percent.
In everyday life you might see this kind of number when dealing with grades, discounts, or statistics. Knowing that 29/99 is about 29.29 % helps you quickly estimate the size of the portion without doing long calculations.