1 is what percent of 5?
Percent, fractions and decimals are all different ways of showing the same value. They are interchangeable.
"What percent is 1 out of 5?"
One way to find a percent:
find an equivalent fraction with a denominator of 100.
A second way to find a percent:
A third way to find a percent:
(the third method is the easiest if the denominator is a prime number or has a factor of 3, 7, 11 and so on)