66/100 = 66%
A value of 66/100, or 66%, can show up in everyday life as a test score, survey result, discount, or weather chance. For example, if 66 out of 100 students prefer one school lunch, that choice is clearly more popular than the others.
To picture 66%, imagine a group of 100 objects with about two-thirds shaded or selected. A quick estimate is that it is close to 67%, which is about two out of every three.
A common mistake is thinking 66% means 66 out of 10 rather than 66 out of 100. It can also be confused with 0.66 or 6.6%, even though those values represent different amounts.