-90.68% is the change from 976 to 91
Calculation steps:
[( 91 - 976 ) ÷ 976] x 100 = -90.68%
Formula
Percentage change = [(91 - 976) / 976] x 100
Subtract the new number by the original number
91 - 976 = -885
-885 ÷ 976 = -0.9067622950819673
-0.9067622950819673 x 100 = -90.68%