101.22% is the change from 409 to 823
Calculation steps:
[( 823 - 409 ) ÷ 409] x 100 = 101.22%
Formula
Percentage change = [(823 - 409) / 409] x 100
Subtract the new number by the original number
823 - 409 = 414
414 ÷ 409 = 1.0122249388753055
1.0122249388753055 x 100 = 101.22%