3/456 = ≈0.66%
Rounded to 2 decimal places.
A value like 3 out of 456 might show up when only a few products in a large shipment are damaged, or when a small number of people in a survey choose a rare answer. In percentage terms, that is about 0.66%, so it represents a very small share of the whole group.
To picture it quickly, imagine 456 dots with only 3 of them colored in. You can also estimate it as less than 1%, since 1% of 456 would be a little more than 4 people or items.
A common mistake is to read 0.66% as 66%, but the percent sign means the amount is measured out of 100. Another point of confusion is rounding: 0.66% is close to two-thirds of 1%, not exactly 1%.