-23.46% is the change from 439 to 336
Calculation steps:
[( 336 - 439 ) ÷ 439] x 100 = -23.46%
Formula
Percentage change = [(336 - 439) / 439] x 100
Subtract the new number by the original number
336 - 439 = -103
-103 ÷ 439 = -0.23462414578587698
-0.23462414578587698 x 100 = -23.46%