-60.15% is the change from 823 to 328
Calculation steps:
[( 328 - 823 ) ÷ 823] x 100 = -60.15%
Formula
Percentage change = [(328 - 823) / 823] x 100
Subtract the new number by the original number
328 - 823 = -495
-495 ÷ 823 = -0.6014580801944107
-0.6014580801944107 x 100 = -60.15%