-91.29% is the change from 976 to 85
Calculation steps:
[( 85 - 976 ) ÷ 976] x 100 = -91.29%
Formula
Percentage change = [(85 - 976) / 976] x 100
Subtract the new number by the original number
85 - 976 = -891
-891 ÷ 976 = -0.9129098360655737
-0.9129098360655737 x 100 = -91.29%