-26.2% is the change from 439 to 324
Calculation steps:
[( 324 - 439 ) ÷ 439] x 100 = -26.2%
Formula
Percentage change = [(324 - 439) / 439] x 100
Subtract the new number by the original number
324 - 439 = -115
-115 ÷ 439 = -0.2619589977220957
-0.2619589977220957 x 100 = -26.2%