50.71% is the change from 422 to 636
Calculation steps:
[( 636 - 422 ) ÷ 422] x 100 = 50.71%
Formula
Percentage change = [(636 - 422) / 422] x 100
Subtract the new number by the original number
636 - 422 = 214
214 ÷ 422 = 0.5071090047393365
0.5071090047393365 x 100 = 50.71%