-15.32% is the change from 966 to 818
Calculation steps:
[( 818 - 966 ) ÷ 966] x 100 = -15.32%
Formula
Percentage change = [(818 - 966) / 966] x 100
Subtract the new number by the original number
818 - 966 = -148
-148 ÷ 966 = -0.15320910973084886
-0.15320910973084886 x 100 = -15.32%