23.59% is the change from 407 to 503
Calculation steps:
[( 503 - 407 ) ÷ 407] x 100 = 23.59%
Formula
Percentage change = [(503 - 407) / 407] x 100
Subtract the new number by the original number
503 - 407 = 96
96 ÷ 407 = 0.23587223587223588
0.23587223587223588 x 100 = 23.59%