The fraction 2/22 works out to 9.09% when you write it as a percentage. It’s a quick way to see how big the part is compared to a whole.
If you simplify 2/22, you get 1/11, which is still the same size as the original fraction. Both forms show a small portion of a whole, just expressed in different ways.
People often round this percentage to two decimal places, so you get the tidy 9.09% you see here. It’s handy for reports, school work, or any time you need a clear, easy‑to‑read number.