In [1]:

    

import numpy as np


    

In [2]:

    

A = np.array([[56.0, 0.0, 4.4, 68.0],
              [1.2, 104.0, 52.0, 8.0],
              [1.8, 135.0, 99.0, 0.9]])

print(A)


    

    




[[  56.     0.     4.4   68. ]
 [   1.2  104.    52.     8. ]
 [   1.8  135.    99.     0.9]]

In [3]:

    

cal = A.sum(axis=0)

print(cal)


    

    




[  59.   239.   155.4   76.9]

In [4]:

    

percentage = 100 * A / cal.reshape(1, 4)

print(percentage)


    

    




[[ 94.91525424   0.           2.83140283  88.42652796]
 [  2.03389831  43.51464435  33.46203346  10.40312094]
 [  3.05084746  56.48535565  63.70656371   1.17035111]]