40/300 = ≈13.33%
Rounded to 2 decimal places.
A value like 40 out of 300 might show up when 40 students out of 300 attend an optional school event. It could also describe a store selling 40 of 300 tickets, seats, or products, which is about 13.33% of the total.
To picture 40/300 quickly, imagine 300 items divided into 10 equal groups of 30. Forty is a little more than one of those groups, so the amount is slightly above one-tenth, or roughly 13 out of every 100.
A common mistake is to think 40/300 is close to 40% because the numerator is 40. The denominator matters just as much, so 40 out of 300 represents a much smaller share than 40 out of 100.