-38.53% is the change from 231 to 142
Calculation steps:
[( 142 - 231 ) ÷ 231] x 100 = -38.53%
Formula
Percentage change = [(142 - 231) / 231] x 100
Subtract the new number by the original number
142 - 231 = -89
-89 ÷ 231 = -0.3852813852813853
-0.3852813852813853 x 100 = -38.53%