-1.06% is the change from 663 to 656
Calculation steps:
[( 656 - 663 ) ÷ 663] x 100 = -1.06%
Formula
Percentage change = [(656 - 663) / 663] x 100
Subtract the new number by the original number
656 - 663 = -7
-7 ÷ 663 = -0.010558069381598794
-0.010558069381598794 x 100 = -1.06%