-96.64% is the change from 833 to 28
Calculation steps:
[( 28 - 833 ) ÷ 833] x 100 = -96.64%
Formula
Percentage change = [(28 - 833) / 833] x 100
Subtract the new number by the original number
28 - 833 = -805
-805 ÷ 833 = -0.9663865546218487
-0.9663865546218487 x 100 = -96.64%