-7.52% is the change from 439 to 406
Calculation steps:
[( 406 - 439 ) ÷ 439] x 100 = -7.52%
Formula
Percentage change = [(406 - 439) / 439] x 100
Subtract the new number by the original number
406 - 439 = -33
-33 ÷ 439 = -0.07517084282460136
-0.07517084282460136 x 100 = -7.52%