23.28% is the change from 408 to 503
Calculation steps:
[( 503 - 408 ) ÷ 408] x 100 = 23.28%
Formula
Percentage change = [(503 - 408) / 408] x 100
Subtract the new number by the original number
503 - 408 = 95
95 ÷ 408 = 0.23284313725490197
0.23284313725490197 x 100 = 23.28%