21/31 as a percentage is 67.74%. This value tells you that the fraction is a little more than two‑thirds when expressed in percent form.
The fraction 21/31 is a common way to compare two numbers that don’t share an easy whole‑number ratio. It shows that for every 31 parts, 21 of them are being counted. Seeing it as 67.74% makes it easier to understand at a glance.
The percentage is rounded to the nearest two decimal places, so the figure is clean and ready to use in reports, charts, or everyday calculations.