258.44% is the change from 231 to 828
Calculation steps:
[( 828 - 231 ) ÷ 231] x 100 = 258.44%
Formula
Percentage change = [(828 - 231) / 231] x 100
Subtract the new number by the original number
828 - 231 = 597
597 ÷ 231 = 2.5844155844155843
2.5844155844155843 x 100 = 258.44%