-90.78% is the change from 976 to 90
Calculation steps:
[( 90 - 976 ) ÷ 976] x 100 = -90.78%
Formula
Percentage change = [(90 - 976) / 976] x 100
Subtract the new number by the original number
90 - 976 = -886
-886 ÷ 976 = -0.9077868852459017
-0.9077868852459017 x 100 = -90.78%