-90.66% is the change from 439 to 41
Calculation steps:
[( 41 - 439 ) ÷ 439] x 100 = -90.66%
Formula
Percentage change = [(41 - 439) / 439] x 100
Subtract the new number by the original number
41 - 439 = -398
-398 ÷ 439 = -0.9066059225512528
-0.9066059225512528 x 100 = -90.66%