-2.67% is the change from 674 to 656
Calculation steps:
[( 656 - 674 ) ÷ 674] x 100 = -2.67%
Formula
Percentage change = [(656 - 674) / 674] x 100
Subtract the new number by the original number
656 - 674 = -18
-18 ÷ 674 = -0.026706231454005934
-0.026706231454005934 x 100 = -2.67%