121.13% is the change from 407 to 900
Calculation steps:
[( 900 - 407 ) ÷ 407] x 100 = 121.13%
Formula
Percentage change = [(900 - 407) / 407] x 100
Subtract the new number by the original number
900 - 407 = 493
493 ÷ 407 = 1.2113022113022114
1.2113022113022114 x 100 = 121.13%