267.26% is the change from 226 to 830
Calculation steps:
[( 830 - 226 ) ÷ 226] x 100 = 267.26%
Formula
Percentage change = [(830 - 226) / 226] x 100
Subtract the new number by the original number
830 - 226 = 604
604 ÷ 226 = 2.672566371681416
2.672566371681416 x 100 = 267.26%