9/84 as a percentage is 10.71%. This value shows how much of a whole the fraction represents when we think in terms of hundredths.
The fraction 9/84 can be reduced to 3/28, which still keeps the same size. Even though the numbers are smaller, the amount they describe stays the same, so the percentage doesn’t change.
In everyday life, you might see this kind of percentage when dealing with small parts of a group, like 10.71% of a class of 84 students. It’s a handy way to quickly understand the size of a part compared to the whole.