Fill this graph out , i don't understand how to convert a decimal into a percentage or fraction

In the first column the decimal is .26 and the percent is 26%. In the second column the fraction is 31/50 and the percent is 62%. In the last column the fraction is 9/20 and the decimal is .45. Hope this helps! ;)

Answers for chart
1) 18/25     0.72    72%
2)  17/20    0.85    85%
3)  13/50    0.26    26%
4)   31/50    0.62   62%
5)    9/20     0.45    45%