What is 38/46 as a percentage? It is 82.61%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 38/46 can be simplified to 19/23, which still keeps the same value. Seeing it as a percentage makes it easier to compare with other numbers that are already in percent form, such as test scores or discount rates.
In everyday life, a value like 82.61% might describe how much of a project is finished, the portion of a class that passed a test, or the efficiency of a machine. Knowing both the fraction and the percentage gives you flexibility depending on which format your audience prefers.