The fraction 31/38 works out to 81.58% when you write it as a percentage. This number tells you how much of a whole 31 parts out of 38 represent.
In everyday terms, 81.58% means you have a little more than four‑fifths of something. If you picture a pizza cut into 38 slices, having 31 of those slices would fill about 81.58% of the whole pizza.
This kind of conversion is useful in school reports, sports stats, and budgeting. It lets you compare parts of a whole quickly, without having to think in fractions.
Remember, you can always round the percentage to a simpler form, like 82%, if you need an easy estimate.