-0.3% is the change from 658 to 656
Calculation steps:
[( 656 - 658 ) ÷ 658] x 100 = -0.3%
Formula
Percentage change = [(656 - 658) / 658] x 100
Subtract the new number by the original number
656 - 658 = -2
-2 ÷ 658 = -0.00303951367781155
-0.00303951367781155 x 100 = -0.3%