-89.29% is the change from 439 to 47
Calculation steps:
[( 47 - 439 ) ÷ 439] x 100 = -89.29%
Formula
Percentage change = [(47 - 439) / 439] x 100
Subtract the new number by the original number
47 - 439 = -392
-392 ÷ 439 = -0.8929384965831435
-0.8929384965831435 x 100 = -89.29%