99.75% is the change from 404 to 807
Calculation steps:
[( 807 - 404 ) ÷ 404] x 100 = 99.75%
Formula
Percentage change = [(807 - 404) / 404] x 100
Subtract the new number by the original number
807 - 404 = 403
403 ÷ 404 = 0.9975247524752475
0.9975247524752475 x 100 = 99.75%