-54.67% is the change from 439 to 199
Calculation steps:
[( 199 - 439 ) ÷ 439] x 100 = -54.67%
Formula
Percentage change = [(199 - 439) / 439] x 100
Subtract the new number by the original number
199 - 439 = -240
-240 ÷ 439 = -0.5466970387243736
-0.5466970387243736 x 100 = -54.67%