20.62% is the change from 417 to 503
Calculation steps:
[( 503 - 417 ) ÷ 417] x 100 = 20.62%
Formula
Percentage change = [(503 - 417) / 417] x 100
Subtract the new number by the original number
503 - 417 = 86
86 ÷ 417 = 0.20623501199040767
0.20623501199040767 x 100 = 20.62%