84/90 as a percentage is 93.33%. This simplified form shows that the fraction is very close to a whole, just a little under 100%.
When you look at the numbers, 84 out of 90 parts are present, which means most of the whole is covered. In everyday terms, you can think of it as getting 93.33 out of every 100 points.
If you need to compare this to other values, remember that anything above 90% is considered high. So 93.33% tells you the fraction is well above average.
