23.53% is the change from 408 to 504
Calculation steps:
[( 504 - 408 ) ÷ 408] x 100 = 23.53%
Formula
Percentage change = [(504 - 408) / 408] x 100
Subtract the new number by the original number
504 - 408 = 96
96 ÷ 408 = 0.23529411764705882
0.23529411764705882 x 100 = 23.53%