-92.68% is the change from 123 to 9
Calculation steps:
[( 9 - 123 ) ÷ 123] x 100 = -92.68%
Formula
Percentage change = [(9 - 123) / 123] x 100
Subtract the new number by the original number
9 - 123 = -114
-114 ÷ 123 = -0.926829268292683
-0.926829268292683 x 100 = -92.68%