1.22% is the change from 656 to 664
Calculation steps:
[( 664 - 656 ) ÷ 656] x 100 = 1.22%
Formula
Percentage change = [(664 - 656) / 656] x 100
Subtract the new number by the original number
664 - 656 = 8
8 ÷ 656 = 0.012195121951219513
0.012195121951219513 x 100 = 1.22%