63/99 as a percentage is 63.64%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 63/99 can be reduced by dividing both numbers by 3, giving 21/33, and further to 7/11. It’s a little bit smaller than two‑thirds, which is why its percentage is just under 66%.
Seeing the fraction as a percentage makes it easier to compare with other numbers that are already in percent form, such as test scores or interest rates. It gives a quick sense of size without having to work with a fraction.
In everyday situations, you might use 63.64% to describe a portion of a budget, a share of a class, or any other scenario where you need a clear, rounded percent value.
