34.57% is the change from 622 to 837
Calculation steps:
[( 837 - 622 ) ÷ 622] x 100 = 34.57%
Formula
Percentage change = [(837 - 622) / 622] x 100
Subtract the new number by the original number
837 - 622 = 215
215 ÷ 622 = 0.34565916398713825
0.34565916398713825 x 100 = 34.57%