How to take 1-x/100 of entire pandas series?

This can be done simply

#replace pd.Series([1,2,3,4,5]) with df['coumn_name'] your required series


0    0.99
1    0.98
2    0.97
3    0.96
4    0.95

Do mention an example of current and desired outcomes u need and always mention code to reproduce example, do keep in mind these point for your next questions