-90.73% is the change from 982 to 91
Calculation steps:
[( 91 - 982 ) ÷ 982] x 100 = -90.73%
Formula
Percentage change = [(91 - 982) / 982] x 100
Subtract the new number by the original number
91 - 982 = -891
-891 ÷ 982 = -0.9073319755600815
-0.9073319755600815 x 100 = -90.73%