89/91 as a percentage is 97.80%. This value shows that the fraction is very close to a whole, just a little under 100 %.
When you see a number like 97.80 %, it tells you that for every 100 parts, 97.8 parts are represented by the original fraction. In everyday terms, this means the fraction is almost complete, missing only about 2.2 % of the whole.
Such a high percentage is useful in situations like grading, quality checks, or performance metrics, where you want to show that something is nearly perfect but not quite 100 %. It gives a clear, easy‑to‑understand picture of how close you are to the maximum possible value.