25.00% is the percentage form of the fraction 5/20.
The fraction 5/20 can be reduced to 1/4, which means one part out of four equal parts. In everyday language, that’s the same as saying one‑quarter of a whole.
Seeing it as a percentage makes it easy to compare with other numbers. Whether you’re looking at a quiz score, a discount, or a portion of a recipe, 25.00% tells you exactly how big that part is out of the whole.