-13.68% is the change from 380 to 328
Calculation steps:
[( 328 - 380 ) ÷ 380] x 100 = -13.68%
Formula
Percentage change = [(328 - 380) / 380] x 100
Subtract the new number by the original number
328 - 380 = -52
-52 ÷ 380 = -0.1368421052631579
-0.1368421052631579 x 100 = -13.68%