Answer:
77.2727.. (repeating)%
or 77 3/11 %
Although im not sure if fractions are accepted in percents, so stick to the first option
Explanation:
A percent is simply
How many 22's are there in 100? 100/22=4.54 repeating
So 22*4.54 repeating = 100
do the same to both sides of the equation
17 / 22
17*4.54 repeating
77.27272.../100
so 77.27272727... %