64/84 as a percentage is 76.19%. This tells you that the fraction is a little more than three‑quarters of a whole. It’s a quick way to see the size of the part compared to the whole.
The fraction 64/84 can be reduced to 16/21, which still represents the same amount. Whether you write it as a fraction, a decimal, or a percentage, the value stays the same – just shown in different forms.
Knowing the percentage helps when you need to compare it to other numbers, like test scores or discounts. In everyday situations, saying “about 76 %” is often enough to give a clear picture.