21/784 = ≈2.68%
Rounded to 2 decimal places.
A value like 21 out of 784 could describe a small portion of people in a large survey, such as customers who choose a certain product or students who join a club. It might also represent a few defective items in a shipment of hundreds.
To picture 21/784, imagine 784 dots with only 21 of them highlighted. That is a little more than 2 out of every 100, or about 2.68%, so it is a small but noticeable amount.
A common mistake is to think the fraction is closer to 21% because the numerator is 21. The denominator matters just as much: 21 is being compared with 784, not with 100, which makes the overall share much smaller.