100.74% is the change from 406 to 815
Calculation steps:
[( 815 - 406 ) ÷ 406] x 100 = 100.74%
Formula
Percentage change = [(815 - 406) / 406] x 100
Subtract the new number by the original number
815 - 406 = 409
409 ÷ 406 = 1.0073891625615763
1.0073891625615763 x 100 = 100.74%