8/22 as a percentage is 36.36%. This number tells you how much of a whole 8 parts out of 22 represent when you look at it in hundred‑ths.
The fraction 8/22 can be reduced to 4/11, which is still the same size as the original. Whether you write it as 8/22, 4/11, or 36.36%, the value doesn’t change; it just looks different depending on the format you need.
People often use percentages like 36.36% when they want an easy way to compare parts of a whole, such as in grades, statistics, or simple budgeting. It’s a quick snapshot that most readers understand at a glance.