-27.69% is the change from 668 to 483
Calculation steps:
[( 483 - 668 ) ÷ 668] x 100 = -27.69%
Formula
Percentage change = [(483 - 668) / 668] x 100
Subtract the new number by the original number
483 - 668 = -185
-185 ÷ 668 = -0.27694610778443113
-0.27694610778443113 x 100 = -27.69%