31.51% is the change from 622 to 818
Calculation steps:
[( 818 - 622 ) ÷ 622] x 100 = 31.51%
Formula
Percentage change = [(818 - 622) / 622] x 100
Subtract the new number by the original number
818 - 622 = 196
196 ÷ 622 = 0.31511254019292606
0.31511254019292606 x 100 = 31.51%