384/420 = ≈91.43%
Rounded to 2 decimal places.
A value like 384/420 might describe a test score, a project completed on time, or the amount of a full tank of gas that is still available. In percentage form, it is 91.43%, so it represents a result that is very close to the whole amount.
To picture it quickly, imagine 100 small squares with about 91 of them shaded. You can also estimate it as a little more than nine-tenths, since 90% is nine out of every ten parts.
A common mistake is to call 384/420 exactly 91%, even though that is only a rounded estimate. Another point of confusion is thinking the fraction is already complete because the numbers are large; the numerator is still less than the denominator, so the value is below 100%.