-0.91% is the change from 662 to 656
Calculation steps:
[( 656 - 662 ) ÷ 662] x 100 = -0.91%
Formula
Percentage change = [(656 - 662) / 662] x 100
Subtract the new number by the original number
656 - 662 = -6
-6 ÷ 662 = -0.00906344410876133
-0.00906344410876133 x 100 = -0.91%