12/64 = 18.75%
A value like 18.75% can show up in a survey, such as the share of people who choose a certain answer. It can also describe a discount or the portion of a class that takes part in an activity.
To picture it quickly, imagine about 19 shaded squares in a grid of 100. It’s close to one-fifth of the whole, but a little smaller.
One common mix-up is treating a discount of 18.75% as the amount you still have to pay. The discount is the part taken off; the amount left to pay is the rest.