104.4% is the change from 409 to 836
Calculation steps:
[( 836 - 409 ) ÷ 409] x 100 = 104.4%
Formula
Percentage change = [(836 - 409) / 409] x 100
Subtract the new number by the original number
836 - 409 = 427
427 ÷ 409 = 1.0440097799511003
1.0440097799511003 x 100 = 104.4%