-57.18% is the change from 439 to 188
Calculation steps:
[( 188 - 439 ) ÷ 439] x 100 = -57.18%
Formula
Percentage change = [(188 - 439) / 439] x 100
Subtract the new number by the original number
188 - 439 = -251
-251 ÷ 439 = -0.571753986332574
-0.571753986332574 x 100 = -57.18%