98.78% is the change from 409 to 813
Calculation steps:
[( 813 - 409 ) ÷ 409] x 100 = 98.78%
Formula
Percentage change = [(813 - 409) / 409] x 100
Subtract the new number by the original number
813 - 409 = 404
404 ÷ 409 = 0.9877750611246944
0.9877750611246944 x 100 = 98.78%