The fraction 28/81 expressed as a percentage is 34.57%. This value tells you how much of a whole the fraction represents when you think in terms of 100 parts.
Seeing 28 out of 81 can be useful when comparing parts of a set. For example, if a classroom has 81 students and 28 of them bring a lunch from home, about one‑third of the class, or 34.57%, follows that pattern.
Rounded to two decimal places, the percentage is easy to read and work with in reports or everyday conversation. It gives a clear picture without needing the exact fraction each time.