9.83% is the change from 458 to 503
Calculation steps:
[( 503 - 458 ) ÷ 458] x 100 = 9.83%
Formula
Percentage change = [(503 - 458) / 458] x 100
Subtract the new number by the original number
503 - 458 = 45
45 ÷ 458 = 0.0982532751091703
0.0982532751091703 x 100 = 9.83%