-16.56% is the change from 966 to 806
Calculation steps:
[( 806 - 966 ) ÷ 966] x 100 = -16.56%
Formula
Percentage change = [(806 - 966) / 966] x 100
Subtract the new number by the original number
806 - 966 = -160
-160 ÷ 966 = -0.16563146997929606
-0.16563146997929606 x 100 = -16.56%