288.31% is the change from 231 to 897
Calculation steps:
[( 897 - 231 ) ÷ 231] x 100 = 288.31%
Formula
Percentage change = [(897 - 231) / 231] x 100
Subtract the new number by the original number
897 - 231 = 666
666 ÷ 231 = 2.883116883116883
2.883116883116883 x 100 = 288.31%