13.8% is the change from 442 to 503
Calculation steps:
[( 503 - 442 ) ÷ 442] x 100 = 13.8%
Formula
Percentage change = [(503 - 442) / 442] x 100
Subtract the new number by the original number
503 - 442 = 61
61 ÷ 442 = 0.13800904977375567
0.13800904977375567 x 100 = 13.8%