-2.81% is the change from 675 to 656
Calculation steps:
[( 656 - 675 ) ÷ 675] x 100 = -2.81%
Formula
Percentage change = [(656 - 675) / 675] x 100
Subtract the new number by the original number
656 - 675 = -19
-19 ÷ 675 = -0.028148148148148148
-0.028148148148148148 x 100 = -2.81%