-55.13% is the change from 439 to 197
Calculation steps:
[( 197 - 439 ) ÷ 439] x 100 = -55.13%
Formula
Percentage change = [(197 - 439) / 439] x 100
Subtract the new number by the original number
197 - 439 = -242
-242 ÷ 439 = -0.55125284738041
-0.55125284738041 x 100 = -55.13%