The fraction 21/99 is equal to 21.21% when converted to a percentage and rounded to the nearest two decimal places. This percentage represents how much of a whole the fraction represents. In other words, if you had 99 equal parts of something and took 21 of those parts, you'd have about 21.21% of the total.
To put this into perspective, 21.21% is a little over one-fifth of the whole. It's more than 20% but less than 25%. This fraction and percentage could be useful in various real-world situations, such as calculating discounts, determining partial quantities, or expressing probabilities. Whether you're dealing with fractions or percentages, 21/99 and 21.21% represent the same portion of a whole.