-90.06% is the change from 966 to 96
Calculation steps:
[( 96 - 966 ) ÷ 966] x 100 = -90.06%
Formula
Percentage change = [(96 - 966) / 966] x 100
Subtract the new number by the original number
96 - 966 = -870
-870 ÷ 966 = -0.9006211180124224
-0.9006211180124224 x 100 = -90.06%