When you turn the fraction 86⁄89 into a percent, you get 96.63%. This is the rounded value you see on most calculators and reports.
A percentage this high means the fraction is very close to a whole. In everyday terms, it tells you that 86 out of every 89 parts are present, which is almost everything.
Knowing that 86⁄89 equals 96.63% can help you compare scores, measurements, or any data where you need to see how close something is to 100 %.