73.49% is what you get when you turn the fraction 61/83 into a percentage. This rounded figure gives a quick sense of how large the part is compared to the whole.
The fraction 61/83 is already in its simplest form, so you can think of it as 61 pieces out of 83 equal pieces. When you look at it as a percentage, it shows that about three‑quarters of the whole is covered.
In everyday situations, using the percentage makes it easier to compare with other numbers, like test scores or discounts. Remember that 73.49% is the rounded value you’ll see most often.