The fraction 21/73 works out to 28.77% when you write it as a percentage. This rounded value gives a quick sense of how big the part is compared to a whole.
In everyday terms, 21 out of 73 parts is just under one‑third of the whole. Seeing it as a percentage makes it easier to compare with other numbers, like test scores or discount rates.
You can use this 28.77% figure in reports, projects, or any situation where a simple percentage is more convenient than a fraction. It keeps communication clear and straightforward.