-85.71% is the change from 231 to 33
Calculation steps:
[( 33 - 231 ) ÷ 231] x 100 = -85.71%
Formula
Percentage change = [(33 - 231) / 231] x 100
Subtract the new number by the original number
33 - 231 = -198
-198 ÷ 231 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%