The fraction 42/50 is 84.00% when expressed as a percentage. This shows how much of a whole the fraction represents in a form that's easy to compare with other percentages.
Seeing 42 out of 50 parts tells us that the value is close to a full whole, and the percentage makes that clear at a glance. It’s a handy way to communicate size without dealing with fractions.
In everyday situations, such as grading or statistics, you might see 84.00% used to indicate a strong, but not perfect, performance. It’s a simple number that most people can understand quickly.