30/60 as a percentage is 50.00%.
The fraction 30/60 simplifies to one‑half, which means it represents exactly half of any whole amount.
Seeing 50.00% in a chart or a report tells you that the value is right in the middle, not more and not less.
Because it’s a clean, easy‑to‑understand number, 50.00% is often used in everyday examples when explaining parts of a whole.