-57.4% is the change from 439 to 187
Calculation steps:
[( 187 - 439 ) ÷ 439] x 100 = -57.4%
Formula
Percentage change = [(187 - 439) / 439] x 100
Subtract the new number by the original number
187 - 439 = -252
-252 ÷ 439 = -0.5740318906605922
-0.5740318906605922 x 100 = -57.4%