-46.75% is the change from 231 to 123
Calculation steps:
[( 123 - 231 ) ÷ 231] x 100 = -46.75%
Formula
Percentage change = [(123 - 231) / 231] x 100
Subtract the new number by the original number
123 - 231 = -108
-108 ÷ 231 = -0.4675324675324675
-0.4675324675324675 x 100 = -46.75%