-39.41% is the change from 203 to 123
Calculation steps:
[( 123 - 203 ) ÷ 203] x 100 = -39.41%
Formula
Percentage change = [(123 - 203) / 203] x 100
Subtract the new number by the original number
123 - 203 = -80
-80 ÷ 203 = -0.39408866995073893
-0.39408866995073893 x 100 = -39.41%