-1.65% is the change from 667 to 656
Calculation steps:
[( 656 - 667 ) ÷ 667] x 100 = -1.65%
Formula
Percentage change = [(656 - 667) / 667] x 100
Subtract the new number by the original number
656 - 667 = -11
-11 ÷ 667 = -0.01649175412293853
-0.01649175412293853 x 100 = -1.65%