-25.28% is the change from 439 to 328
Calculation steps:
[( 328 - 439 ) ÷ 439] x 100 = -25.28%
Formula
Percentage change = [(328 - 439) / 439] x 100
Subtract the new number by the original number
328 - 439 = -111
-111 ÷ 439 = -0.2528473804100228
-0.2528473804100228 x 100 = -25.28%