40.05% is the change from 422 to 591
Calculation steps:
[( 591 - 422 ) ÷ 422] x 100 = 40.05%
Formula
Percentage change = [(591 - 422) / 422] x 100
Subtract the new number by the original number
591 - 422 = 169
169 ÷ 422 = 0.4004739336492891
0.4004739336492891 x 100 = 40.05%