-89.64% is the change from 965 to 100
Calculation steps:
[( 100 - 965 ) ÷ 965] x 100 = -89.64%
Formula
Percentage change = [(100 - 965) / 965] x 100
Subtract the new number by the original number
100 - 965 = -865
-865 ÷ 965 = -0.8963730569948186
-0.8963730569948186 x 100 = -89.64%