19/64 as a percentage is 29.69%. This tells you that the fraction is a little less than one‑third when you look at it in terms of percent.
The fraction 19/64 is a part of a whole that is divided into 64 equal pieces. If you take 19 of those pieces, you have just under 30 out of every 100 parts, which matches the percentage we just gave.
Because we rounded to two decimal places, the number looks neat and is easy to read. The exact value is a bit longer, but 29.69% is accurate enough for most everyday uses.
You might see this kind of conversion when working with grades, sports stats, or simple budgeting. Knowing that 19/64 is about 30 % helps you compare it quickly with other numbers.