-96.53% is the change from 807 to 28
Calculation steps:
[( 28 - 807 ) ÷ 807] x 100 = -96.53%
Formula
Percentage change = [(28 - 807) / 807] x 100
Subtract the new number by the original number
28 - 807 = -779
-779 ÷ 807 = -0.9653035935563816
-0.9653035935563816 x 100 = -96.53%