-44.16% is the change from 231 to 129
Calculation steps:
[( 129 - 231 ) ÷ 231] x 100 = -44.16%
Formula
Percentage change = [(129 - 231) / 231] x 100
Subtract the new number by the original number
129 - 231 = -102
-102 ÷ 231 = -0.44155844155844154
-0.44155844155844154 x 100 = -44.16%