-89.29% is the change from 990 to 106
Calculation steps:
[( 106 - 990 ) ÷ 990] x 100 = -89.29%
Formula
Percentage change = [(106 - 990) / 990] x 100
Subtract the new number by the original number
106 - 990 = -884
-884 ÷ 990 = -0.8929292929292929
-0.8929292929292929 x 100 = -89.29%