The fraction 18/85 is equal to 21.18% when expressed as a percentage. This rounded figure gives a quick sense of how large the part is compared to the whole.
Seeing 18 out of 85 as a percentage makes it easier to compare with other numbers you might encounter in school or everyday life. For example, if you scored 18 points out of a possible 85 on a quiz, you would have achieved about 21% of the total possible points.
Rounded to two decimal places, 21.18% is precise enough for most practical purposes while still being simple to read and use in reports or discussions. It shows the proportion in a familiar format without getting into complicated fractions.