The fraction 17/78 converts to 21.79% when expressed as a percentage. This rounded value gives a quick sense of how large the fraction is compared to a whole.
In everyday terms, 17 parts out of 78 is a little less than one‑quarter of the total. Seeing it as a percent makes it easier to compare with other numbers that are already in percent form.
If you need to communicate this figure in a report or a presentation, you can simply write 21.79% and most people will understand it right away. It’s a clear and concise way to show the size of the fraction.