25/91 as a percentage is 27.47%. This value is the rounded result you get when you turn the fraction into a percent, keeping two decimal places for clarity.
The fraction 25/91 is a proper fraction, meaning the numerator is smaller than the denominator. It is a bit smaller than 1/4 (which is 25%), so you can think of it as just under a quarter of a whole. In everyday situations, such a fraction might appear in recipes, measurements, or when dividing a group into uneven parts.
When you see 27.47% on a chart or a report, it tells you that roughly a little more than one‑fourth of the total is being represented. Rounding to two decimal places makes the number easy to read while still keeping enough detail for most practical uses.