37/74 = 50%
A value of 50% shows up in everyday life when a store offers half off, a team wins half its games, or a glass is filled halfway. The fraction 37/74 represents that same halfway point.
To picture it quickly, imagine splitting something into two equal parts and choosing one part. You can also think of a progress bar that is filled right to the middle.
A common point of confusion is thinking that 50% always means 50 items. It means half of the total, so the number of items depends on how many there are altogether.