-30.69% is the change from 668 to 463
Calculation steps:
[( 463 - 668 ) ÷ 668] x 100 = -30.69%
Formula
Percentage change = [(463 - 668) / 668] x 100
Subtract the new number by the original number
463 - 668 = -205
-205 ÷ 668 = -0.3068862275449102
-0.3068862275449102 x 100 = -30.69%