21.5% is the change from 414 to 503
Calculation steps:
[( 503 - 414 ) ÷ 414] x 100 = 21.5%
Formula
Percentage change = [(503 - 414) / 414] x 100
Subtract the new number by the original number
503 - 414 = 89
89 ÷ 414 = 0.21497584541062803
0.21497584541062803 x 100 = 21.5%