The fraction 57/78 is equal to 73.08% when converted to a percentage and rounded to two decimal places. This means that if you had 78 equal parts of something and took 57 of those parts, you'd have about 73% of the whole. It's a bit more than three-quarters, which would be 75%.
In everyday life, you might see this kind of fraction used in statistics or probabilities. For example, if 57 out of 78 people in a survey preferred chocolate ice cream, you could say that 73.08% of the group likes chocolate best. This percentage gives a quick and easy way to understand the proportion without having to think about the original fraction.