-56.04% is the change from 439 to 193
Calculation steps:
[( 193 - 439 ) ÷ 439] x 100 = -56.04%
Formula
Percentage change = [(193 - 439) / 439] x 100
Subtract the new number by the original number
193 - 439 = -246
-246 ÷ 439 = -0.5603644646924829
-0.5603644646924829 x 100 = -56.04%