-89.19% is the change from 990 to 107
Calculation steps:
[( 107 - 990 ) ÷ 990] x 100 = -89.19%
Formula
Percentage change = [(107 - 990) / 990] x 100
Subtract the new number by the original number
107 - 990 = -883
-883 ÷ 990 = -0.8919191919191919
-0.8919191919191919 x 100 = -89.19%