The fraction 17/20 expressed as a percentage is 85.00%. This value shows that 17 out of every 20 equal parts represent a large majority of the whole. When you see 85.00% on a chart or a report, you know it means the same as the simple fraction 17/20.
In everyday language, 85.00% means "almost all" or "a big portion." For example, if a school has 20 students and 17 of them pass a test, you can say that 85.00% of the class succeeded. The fraction and the percentage give you the same information, just in different forms.
People use percentages like 85.00% to make numbers easier to compare. Whether you’re looking at grades, survey results, or discounts, the percentage quickly tells you how big a part of the whole something is, without needing to think about the original denominator.