98.28% is the change from 407 to 807
Calculation steps:
[( 807 - 407 ) ÷ 407] x 100 = 98.28%
Formula
Percentage change = [(807 - 407) / 407] x 100
Subtract the new number by the original number
807 - 407 = 400
400 ÷ 407 = 0.9828009828009828
0.9828009828009828 x 100 = 98.28%