129.83% is the change from 409 to 940
Calculation steps:
[( 940 - 409 ) ÷ 409] x 100 = 129.83%
Formula
Percentage change = [(940 - 409) / 409] x 100
Subtract the new number by the original number
940 - 409 = 531
531 ÷ 409 = 1.2982885085574571
1.2982885085574571 x 100 = 129.83%