24.49% is what you get when you turn the fraction 12/49 into a percentage.
This fraction is a little less than a quarter, so you can picture it as almost one part out of four equal pieces. In everyday situations, knowing the percent helps you compare it quickly with other numbers, like discounts or test scores.
When you see 24.49% on a chart or a report, you now know it means the same thing as the fraction 12/49—just a different way to show the same size.