-42.39% is the change from 401 to 231
Calculation steps:
[( 231 - 401 ) ÷ 401] x 100 = -42.39%
Formula
Percentage change = [(231 - 401) / 401] x 100
Subtract the new number by the original number
231 - 401 = -170
-170 ÷ 401 = -0.4239401496259352
-0.4239401496259352 x 100 = -42.39%