-90.37% is the change from 966 to 93
Calculation steps:
[( 93 - 966 ) ÷ 966] x 100 = -90.37%
Formula
Percentage change = [(93 - 966) / 966] x 100
Subtract the new number by the original number
93 - 966 = -873
-873 ÷ 966 = -0.9037267080745341
-0.9037267080745341 x 100 = -90.37%