19/63 as a percentage is 30.16%. This value tells you that the fraction is a little more than three‑tenths of a whole. It’s a handy way to see the size of the part without dealing with a weird fraction.
The fraction 19/63 cannot be reduced any further, so it stays as it is. When you write it as a decimal, you get 0.3016, and turning that into a percent gives the 30.16% you see above.
In everyday situations, you might use this percentage to compare portions, like figuring out a score, a discount, or a portion of a recipe. Rounding to two decimal places keeps the number clear and easy to work with while staying accurate enough for most needs.