7/84 as a percentage is 8.33%. This fraction can be reduced to 1/12, which shows that it represents a small part of a whole. In everyday terms, it means just over eight out of every hundred units.
The value 8.33% is useful when you need to compare parts of a whole in a quick, understandable way. For example, if you have 84 items and you take 7 of them, you have taken about eight percent of the total.
Remember that percentages are just another way to talk about fractions. Saying 8.33% instead of 7/84 can make it easier for people to see how big or small the part is compared to the whole.