-96.65% is the change from 328 to 11
Calculation steps:
[( 11 - 328 ) ÷ 328] x 100 = -96.65%
Formula
Percentage change = [(11 - 328) / 328] x 100
Subtract the new number by the original number
11 - 328 = -317
-317 ÷ 328 = -0.9664634146341463
-0.9664634146341463 x 100 = -96.65%