-25.11% is the change from 438 to 328
Calculation steps:
[( 328 - 438 ) ÷ 438] x 100 = -25.11%
Formula
Percentage change = [(328 - 438) / 438] x 100
Subtract the new number by the original number
328 - 438 = -110
-110 ÷ 438 = -0.2511415525114155
-0.2511415525114155 x 100 = -25.11%