-3.11% is the change from 676 to 655
Calculation steps:
[( 655 - 676 ) ÷ 676] x 100 = -3.11%
Formula
Percentage change = [(655 - 676) / 676] x 100
Subtract the new number by the original number
655 - 676 = -21
-21 ÷ 676 = -0.03106508875739645
-0.03106508875739645 x 100 = -3.11%