46.92% is the change from 422 to 620
Calculation steps:
[( 620 - 422 ) ÷ 422] x 100 = 46.92%
Formula
Percentage change = [(620 - 422) / 422] x 100
Subtract the new number by the original number
620 - 422 = 198
198 ÷ 422 = 0.46919431279620855
0.46919431279620855 x 100 = 46.92%