98.77% is the change from 407 to 809
Calculation steps:
[( 809 - 407 ) ÷ 407] x 100 = 98.77%
Formula
Percentage change = [(809 - 407) / 407] x 100
Subtract the new number by the original number
809 - 407 = 402
402 ÷ 407 = 0.9877149877149877
0.9877149877149877 x 100 = 98.77%