266.37% is the change from 226 to 828
Calculation steps:
[( 828 - 226 ) ÷ 226] x 100 = 266.37%
Formula
Percentage change = [(828 - 226) / 226] x 100
Subtract the new number by the original number
828 - 226 = 602
602 ÷ 226 = 2.663716814159292
2.663716814159292 x 100 = 266.37%