-16.15% is the change from 966 to 810
Calculation steps:
[( 810 - 966 ) ÷ 966] x 100 = -16.15%
Formula
Percentage change = [(810 - 966) / 966] x 100
Subtract the new number by the original number
810 - 966 = -156
-156 ÷ 966 = -0.16149068322981366
-0.16149068322981366 x 100 = -16.15%