121.76% is the change from 409 to 907
Calculation steps:
[( 907 - 409 ) ÷ 409] x 100 = 121.76%
Formula
Percentage change = [(907 - 409) / 409] x 100
Subtract the new number by the original number
907 - 409 = 498
498 ÷ 409 = 1.21760391198044
1.21760391198044 x 100 = 121.76%