-67.65% is the change from 439 to 142
Calculation steps:
[( 142 - 439 ) ÷ 439] x 100 = -67.65%
Formula
Percentage change = [(142 - 439) / 439] x 100
Subtract the new number by the original number
142 - 439 = -297
-297 ÷ 439 = -0.6765375854214123
-0.6765375854214123 x 100 = -67.65%