-96.74% is the change from 859 to 28
Calculation steps:
[( 28 - 859 ) ÷ 859] x 100 = -96.74%
Formula
Percentage change = [(28 - 859) / 859] x 100
Subtract the new number by the original number
28 - 859 = -831
-831 ÷ 859 = -0.9674039580908033
-0.9674039580908033 x 100 = -96.74%