20.05% is the change from 419 to 503
Calculation steps:
[( 503 - 419 ) ÷ 419] x 100 = 20.05%
Formula
Percentage change = [(503 - 419) / 419] x 100
Subtract the new number by the original number
503 - 419 = 84
84 ÷ 419 = 0.20047732696897375
0.20047732696897375 x 100 = 20.05%