129.3% is the change from 355 to 814
Calculation steps:
[( 814 - 355 ) ÷ 355] x 100 = 129.3%
Formula
Percentage change = [(814 - 355) / 355] x 100
Subtract the new number by the original number
814 - 355 = 459
459 ÷ 355 = 1.2929577464788733
1.2929577464788733 x 100 = 129.3%