-86.23% is the change from 966 to 133
Calculation steps:
[( 133 - 966 ) ÷ 966] x 100 = -86.23%
Formula
Percentage change = [(133 - 966) / 966] x 100
Subtract the new number by the original number
133 - 966 = -833
-833 ÷ 966 = -0.8623188405797102
-0.8623188405797102 x 100 = -86.23%