30.71% is the change from 622 to 813
Calculation steps:
[( 813 - 622 ) ÷ 622] x 100 = 30.71%
Formula
Percentage change = [(813 - 622) / 622] x 100
Subtract the new number by the original number
813 - 622 = 191
191 ÷ 622 = 0.3070739549839228
0.3070739549839228 x 100 = 30.71%