98/100 as a percentage is 98.00%. This is the exact value when the fraction is expressed with two decimal places.
The fraction 98/100 means you have 98 parts out of 100 equal parts. It is very close to a whole, missing only 2 out of the 100 pieces. Because the denominator is 100, turning it into a percent is straightforward: the numerator already tells you the percent value.
In everyday use, 98.00% can describe things like test scores, success rates, or any situation where you want to show a high level of completion. It tells people that almost everything is done, with just a tiny amount left.
