-20.07% is the change from 289 to 231
Calculation steps:
[( 231 - 289 ) ÷ 289] x 100 = -20.07%
Formula
Percentage change = [(231 - 289) / 289] x 100
Subtract the new number by the original number
231 - 289 = -58
-58 ÷ 289 = -0.20069204152249134
-0.20069204152249134 x 100 = -20.07%