0.16% is the change from 621 to 622
Calculation steps:
[( 622 - 621 ) ÷ 621] x 100 = 0.16%
Formula
Percentage change = [(622 - 621) / 621] x 100
Subtract the new number by the original number
622 - 621 = 1
1 ÷ 621 = 0.001610305958132045
0.001610305958132045 x 100 = 0.16%