27/69 as a percentage is 39.13%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 27/69 can also be simplified to 9/23, which still represents the same part of a whole. Whether you see it as 27 out of 69 or 9 out of 23, the percentage stays at 39.13%.
In everyday use, you might use this percentage to compare parts of a group, calculate discounts, or understand data sets. Keeping the number to two decimal places makes it easy to read and work with.