22/40 expressed as a percentage is 55.00%. This is the rounded result to two decimal places, which makes it easy to read and compare with other percentages.
The fraction 22/40 can also be thought of as 22 parts out of a total of 40 equal parts. When you look at it this way, you see that a little more than half of the whole is being considered, which matches the 55% figure.
Because the value is given to two decimal places, it’s precise enough for most everyday uses, such as school projects or quick calculations, while still being simple to understand.