-85.06% is the change from 328 to 49
Calculation steps:
[( 49 - 328 ) ÷ 328] x 100 = -85.06%
Formula
Percentage change = [(49 - 328) / 328] x 100
Subtract the new number by the original number
49 - 328 = -279
-279 ÷ 328 = -0.850609756097561
-0.850609756097561 x 100 = -85.06%