-96.04% is the change from 328 to 13
Calculation steps:
[( 13 - 328 ) ÷ 328] x 100 = -96.04%
Formula
Percentage change = [(13 - 328) / 328] x 100
Subtract the new number by the original number
13 - 328 = -315
-315 ÷ 328 = -0.9603658536585366
-0.9603658536585366 x 100 = -96.04%