1.23% is the change from 649 to 657
Calculation steps:
[( 657 - 649 ) ÷ 649] x 100 = 1.23%
Formula
Percentage change = [(657 - 649) / 649] x 100
Subtract the new number by the original number
657 - 649 = 8
8 ÷ 649 = 0.012326656394453005
0.012326656394453005 x 100 = 1.23%