-27.44% is the change from 328 to 238
Calculation steps:
[( 238 - 328 ) ÷ 328] x 100 = -27.44%
Formula
Percentage change = [(238 - 328) / 328] x 100
Subtract the new number by the original number
238 - 328 = -90
-90 ÷ 328 = -0.27439024390243905
-0.27439024390243905 x 100 = -27.44%