1.93% is the change from 622 to 634
Calculation steps:
[( 634 - 622 ) ÷ 622] x 100 = 1.93%
Formula
Percentage change = [(634 - 622) / 622] x 100
Subtract the new number by the original number
634 - 622 = 12
12 ÷ 622 = 0.01929260450160772
0.01929260450160772 x 100 = 1.93%