16/28 as a percentage is 57.14%. This value is the rounded result you get when you express the fraction in terms of percent.
The fraction 16/28 can be simplified to 4/7, which is a common ratio you might see in recipes or simple probability problems. Both forms represent the same part of a whole, just written differently.
When you need to compare this part to a whole in everyday language, saying 57.14% is often clearer than a fraction. It tells you that a little more than half of the total is represented by 16 out of 28.