99.01% is the change from 406 to 808
Calculation steps:
[( 808 - 406 ) ÷ 406] x 100 = 99.01%
Formula
Percentage change = [(808 - 406) / 406] x 100
Subtract the new number by the original number
808 - 406 = 402
402 ÷ 406 = 0.9901477832512315
0.9901477832512315 x 100 = 99.01%