57/100 as a percentage is 57.00%. This is the exact way the fraction appears when written as a percent with two decimal places.
The fraction 57/100 is also the same as the decimal 0.57. Because the denominator is 100, the fraction lines up directly with a percent value, making it easy to read on reports, labels, or charts.
In everyday situations, you might see 57.00% used to describe a test score, a portion of a budget, or a survey result. It tells you that out of every 100 parts, 57 are counted, which is clear and straightforward for anyone to understand.