100.99% is the change from 404 to 812
Calculation steps:
[( 812 - 404 ) ÷ 404] x 100 = 100.99%
Formula
Percentage change = [(812 - 404) / 404] x 100
Subtract the new number by the original number
812 - 404 = 408
408 ÷ 404 = 1.00990099009901
1.00990099009901 x 100 = 100.99%