2/21 as a percentage is 9.52%. This small number shows just how tiny a part of a whole it represents.
The fraction 2/21 means you have two pieces out of a total of twenty‑one equal pieces. If you picture a pizza cut into 21 slices, taking two slices would be exactly the same amount as 9.52% of the whole pizza.
Seeing this percentage can help when you compare it to other values. For example, if a quiz is scored out of 21 points, getting 2 points would be equivalent to earning 9.52% of the total possible score.
In everyday language, you can think of 9.52% as “just under one‑tenth.” It’s a handy way to describe a very small share without using the fraction itself.