-70.13% is the change from 231 to 69
Calculation steps:
[( 69 - 231 ) ÷ 231] x 100 = -70.13%
Formula
Percentage change = [(69 - 231) / 231] x 100
Subtract the new number by the original number
69 - 231 = -162
-162 ÷ 231 = -0.7012987012987013
-0.7012987012987013 x 100 = -70.13%