99.75% is the change from 407 to 813
Calculation steps:
[( 813 - 407 ) ÷ 407] x 100 = 99.75%
Formula
Percentage change = [(813 - 407) / 407] x 100
Subtract the new number by the original number
813 - 407 = 406
406 ÷ 407 = 0.9975429975429976
0.9975429975429976 x 100 = 99.75%