126/1387 = ≈9.08%
Rounded to 2 decimal places.
A fraction like 126/1387 could represent 126 customers out of 1,387, such as the share who choose a certain product or respond to a survey. That works out to about 9.08%, so it describes a fairly small part of the whole.
To picture it quickly, imagine a group of 100 people: roughly 9 of them would fit this fraction. Since 126 is a little less than one-tenth of 1,387, you can estimate it as just under 10%.
A common mistake is to think 126/1387 is close to 126%, because the numerator is a three-digit number. The denominator is the total, though, so the fraction is less than 1 and the percentage must be less than 100%.