57 divided by 63 is 90.48% when expressed as a percentage. This value is already rounded to two decimal places, so you can use it directly for any quick calculations or comparisons.
The fraction 57/63 can also be simplified to 19/21, which still represents the same proportion of a whole. Whether you work with the simplified fraction or the original, the percentage stays the same.
In everyday situations, saying something is about 90 % gives a clear picture, but the more precise 90.48% is useful when exactness matters, such as in grading or data analysis.
Remember, you can always convert a fraction to a percent by using a calculator, then round to the desired number of decimal places for a clean result.