12/404 = ≈2.97%
Rounded to 2 decimal places.
A fraction like 12/404 might show up when 12 people out of a group of 404 respond to a survey, report a problem, or qualify for a special result. That is a very small share of the whole group—about 2.97%.
To picture it quickly, imagine 100 people standing together: only about 3 of them would represent this fraction. You can also think of it as roughly 1 person out of every 33, which makes the small size easier to estimate.
A common mistake is to read 12/404 as 12.4% or assume that the numbers should be compared only by their difference. The denominator, 404, represents the entire group, so the 12 successful cases make up only a small portion of it.