34.73% is the change from 622 to 838
Calculation steps:
[( 838 - 622 ) ÷ 622] x 100 = 34.73%
Formula
Percentage change = [(838 - 622) / 622] x 100
Subtract the new number by the original number
838 - 622 = 216
216 ÷ 622 = 0.34726688102893893
0.34726688102893893 x 100 = 34.73%