-17.39% is the change from 966 to 798
Calculation steps:
[( 798 - 966 ) ÷ 966] x 100 = -17.39%
Formula
Percentage change = [(798 - 966) / 966] x 100
Subtract the new number by the original number
798 - 966 = -168
-168 ÷ 966 = -0.17391304347826086
-0.17391304347826086 x 100 = -17.39%