-34.85% is the change from 439 to 286
Calculation steps:
[( 286 - 439 ) ÷ 439] x 100 = -34.85%
Formula
Percentage change = [(286 - 439) / 439] x 100
Subtract the new number by the original number
286 - 439 = -153
-153 ÷ 439 = -0.34851936218678814
-0.34851936218678814 x 100 = -34.85%