-64.46% is the change from 439 to 156
Calculation steps:
[( 156 - 439 ) ÷ 439] x 100 = -64.46%
Formula
Percentage change = [(156 - 439) / 439] x 100
Subtract the new number by the original number
156 - 439 = -283
-283 ÷ 439 = -0.6446469248291572
-0.6446469248291572 x 100 = -64.46%