11.28% is the change from 452 to 503
Calculation steps:
[( 503 - 452 ) ÷ 452] x 100 = 11.28%
Formula
Percentage change = [(503 - 452) / 452] x 100
Subtract the new number by the original number
503 - 452 = 51
51 ÷ 452 = 0.11283185840707964
0.11283185840707964 x 100 = 11.28%