9/590 = ≈1.53%
Rounded to 2 decimal places.
A fraction like 9/590 might show up when 9 items out of a group of 590 meet a certain condition, such as defective products in a shipment or survey responses with a rare opinion. That rate is about 1.53%, so it represents a small portion of the whole.
To picture 9/590 quickly, imagine splitting 590 objects into 100 equal groups and finding that only about one and a half groups would contain the selected items. Another useful estimate is to think of roughly 1 or 2 items out of every 100.
A common point of confusion is assuming that 9/590 is close to 9%, because the numerator is 9. The denominator matters just as much: since 590 is much larger than 100, the actual percentage is far smaller.