-95.21% is the change from 668 to 32
Calculation steps:
[( 32 - 668 ) ÷ 668] x 100 = -95.21%
Formula
Percentage change = [(32 - 668) / 668] x 100
Subtract the new number by the original number
32 - 668 = -636
-636 ÷ 668 = -0.9520958083832335
-0.9520958083832335 x 100 = -95.21%