16/21 = ≈76.19%
Rounded to 2 decimal places.
A value like 76.19% might describe how often a basketball player makes a shot or how much of a school project is finished. It means a little over three-quarters of the whole.
To picture it quickly, imagine a circle split into four equal parts: the value is a bit more than three of those parts. It is also close to 75%, so you can estimate it as about three-quarters.
One common confusion is treating 76.19% as exactly three-quarters. Three-quarters is 75%, so 76.19% is slightly higher.