-82.8% is the change from 965 to 166
Calculation steps:
[( 166 - 965 ) ÷ 965] x 100 = -82.8%
Formula
Percentage change = [(166 - 965) / 965] x 100
Subtract the new number by the original number
166 - 965 = -799
-799 ÷ 965 = -0.827979274611399
-0.827979274611399 x 100 = -82.8%