-84.06% is the change from 966 to 154
Calculation steps:
[( 154 - 966 ) ÷ 966] x 100 = -84.06%
Formula
Percentage change = [(154 - 966) / 966] x 100
Subtract the new number by the original number
154 - 966 = -812
-812 ÷ 966 = -0.8405797101449275
-0.8405797101449275 x 100 = -84.06%