-8.07% is the change from 966 to 888
Calculation steps:
[( 888 - 966 ) ÷ 966] x 100 = -8.07%
Formula
Percentage change = [(888 - 966) / 966] x 100
Subtract the new number by the original number
888 - 966 = -78
-78 ÷ 966 = -0.08074534161490683
-0.08074534161490683 x 100 = -8.07%