-92.26% is the change from 439 to 34
Calculation steps:
[( 34 - 439 ) ÷ 439] x 100 = -92.26%
Formula
Percentage change = [(34 - 439) / 439] x 100
Subtract the new number by the original number
34 - 439 = -405
-405 ÷ 439 = -0.9225512528473804
-0.9225512528473804 x 100 = -92.26%