25/31 as a percentage is 80.65%. This is the rounded value you get when you express the fraction in terms of hundredths.
The fraction 25/31 is a bit smaller than one whole. If you think of a pizza cut into 31 slices, 25 of those slices would be just under four‑fifths of the whole pizza. That makes it a useful number when you need a proportion that isn’t a clean half or quarter.
When we write it as 80.65%, we are showing the same amount in a format that’s easy to compare with other percentages. It’s close to 81%, so in everyday talk you might just say “about eighty‑one percent.” This kind of rounding helps keep numbers simple without losing much accuracy.
