-1.18% is the change from 676 to 668
Calculation steps:
[( 668 - 676 ) ÷ 676] x 100 = -1.18%
Formula
Percentage change = [(668 - 676) / 676] x 100
Subtract the new number by the original number
668 - 676 = -8
-8 ÷ 676 = -0.011834319526627219
-0.011834319526627219 x 100 = -1.18%