-47.19% is the change from 231 to 122
Calculation steps:
[( 122 - 231 ) ÷ 231] x 100 = -47.19%
Formula
Percentage change = [(122 - 231) / 231] x 100
Subtract the new number by the original number
122 - 231 = -109
-109 ÷ 231 = -0.47186147186147187
-0.47186147186147187 x 100 = -47.19%