-85.92% is the change from 966 to 136
Calculation steps:
[( 136 - 966 ) ÷ 966] x 100 = -85.92%
Formula
Percentage change = [(136 - 966) / 966] x 100
Subtract the new number by the original number
136 - 966 = -830
-830 ÷ 966 = -0.8592132505175983
-0.8592132505175983 x 100 = -85.92%