What is 21/23 as a percentage? It is 91.30% (rounded to two decimal places). This fraction is pretty close to a whole, so its percentage reflects that high value.
The fraction 21/23 means you have 21 parts out of a total of 23 equal parts. When you think of it in everyday terms, it’s like getting 21 out of 23 points on a test—an excellent score that’s just a little short of perfect.
Because 91.30% is so high, you’ll often see it used to show strong performance, high efficiency, or near‑complete coverage in reports and charts. It’s a quick way to convey that something is almost at its maximum without having to write the exact fraction each time.