-42.86% is the change from 231 to 132
Calculation steps:
[( 132 - 231 ) ÷ 231] x 100 = -42.86%
Formula
Percentage change = [(132 - 231) / 231] x 100
Subtract the new number by the original number
132 - 231 = -99
-99 ÷ 231 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%