10.89% is the change from 459 to 509
Calculation steps:
[( 509 - 459 ) ÷ 459] x 100 = 10.89%
Formula
Percentage change = [(509 - 459) / 459] x 100
Subtract the new number by the original number
509 - 459 = 50
50 ÷ 459 = 0.10893246187363835
0.10893246187363835 x 100 = 10.89%