-71.86% is the change from 231 to 65
Calculation steps:
[( 65 - 231 ) ÷ 231] x 100 = -71.86%
Formula
Percentage change = [(65 - 231) / 231] x 100
Subtract the new number by the original number
65 - 231 = -166
-166 ÷ 231 = -0.7186147186147186
-0.7186147186147186 x 100 = -71.86%
Example