100.49% is the change from 408 to 818
Calculation steps:
[( 818 - 408 ) ÷ 408] x 100 = 100.49%
Formula
Percentage change = [(818 - 408) / 408] x 100
Subtract the new number by the original number
818 - 408 = 410
410 ÷ 408 = 1.0049019607843137
1.0049019607843137 x 100 = 100.49%