The fraction 36/66 equals 54.55% when you change it to a percentage. This rounded value gives a quick sense of how large the fraction is compared to a whole.
If you simplify 36/66, you get the simpler fraction 6/11. Both fractions represent the same part of a whole, and they both correspond to that same 54.55% figure. Seeing the simpler form can make it easier to compare with other numbers.
In everyday situations, you might use this percentage to describe a success rate, a test score, or any portion out of 100. The rounding to two decimal places keeps the number clear while still being precise enough for most practical needs.