262.45% is the change from 229 to 830
Calculation steps:
[( 830 - 229 ) ÷ 229] x 100 = 262.45%
Formula
Percentage change = [(830 - 229) / 229] x 100
Subtract the new number by the original number
830 - 229 = 601
601 ÷ 229 = 2.6244541484716155
2.6244541484716155 x 100 = 262.45%