9/306 = ≈2.94%
Rounded to 2 decimal places.
A fraction like 9/306 might show up when 9 people out of 306 surveyed choose a certain option. That is about 2.94%, so it could describe a small share of customers, students, voters, or devices in a larger group.
To picture 9/306 quickly, imagine 306 dots with only 9 highlighted, or about 3 highlighted dots out of every 100. Since 2.94% is close to 3%, you can estimate it as roughly three in every hundred.
A common mistake is to think 9/306 is close to 9%, because the numerator is 9. The denominator matters just as much: 9 out of 306 is much smaller than 9 out of 100.