-42.37% is the change from 668 to 385
Calculation steps:
[( 385 - 668 ) ÷ 668] x 100 = -42.37%
Formula
Percentage change = [(385 - 668) / 668] x 100
Subtract the new number by the original number
385 - 668 = -283
-283 ÷ 668 = -0.4236526946107784
-0.4236526946107784 x 100 = -42.37%