0.15% is the change from 656 to 657
Calculation steps:
[( 657 - 656 ) ÷ 656] x 100 = 0.15%
Formula
Percentage change = [(657 - 656) / 656] x 100
Subtract the new number by the original number
657 - 656 = 1
1 ÷ 656 = 0.001524390243902439
0.001524390243902439 x 100 = 0.15%