-90.06% is the change from 976 to 97
Calculation steps:
[( 97 - 976 ) ÷ 976] x 100 = -90.06%
Formula
Percentage change = [(97 - 976) / 976] x 100
Subtract the new number by the original number
97 - 976 = -879
-879 ÷ 976 = -0.9006147540983607
-0.9006147540983607 x 100 = -90.06%