260% is the change from 230 to 828
Calculation steps:
[( 828 - 230 ) ÷ 230] x 100 = 260%
Formula
Percentage change = [(828 - 230) / 230] x 100
Subtract the new number by the original number
828 - 230 = 598
598 ÷ 230 = 2.6
2.6 x 100 = 260%
Example