122.55% is the change from 408 to 908
Calculation steps:
[( 908 - 408 ) ÷ 408] x 100 = 122.55%
Formula
Percentage change = [(908 - 408) / 408] x 100
Subtract the new number by the original number
908 - 408 = 500
500 ÷ 408 = 1.2254901960784315
1.2254901960784315 x 100 = 122.55%