-72.31% is the change from 668 to 185
Calculation steps:
[( 185 - 668 ) ÷ 668] x 100 = -72.31%
Formula
Percentage change = [(185 - 668) / 668] x 100
Subtract the new number by the original number
185 - 668 = -483
-483 ÷ 668 = -0.7230538922155688
-0.7230538922155688 x 100 = -72.31%