12/64 expressed as a percentage is 18.75%. This shows how a small part of a whole can be written in a way that's easy to compare with other numbers.
The fraction 12/64 can be reduced to 3/16, which still represents the same amount. Whether you keep it as 12/64 or use the simpler 3/16, the value stays the same.
Seeing the percentage helps when you need to understand parts of a whole in everyday situations, like figuring out a discount or a test score.
In short, 18.75% is the quick, clear way to talk about the size of 12/64 in everyday language.