0.59% is the change from 506 to 509
Calculation steps:
[( 509 - 506 ) ÷ 506] x 100 = 0.59%
Formula
Percentage change = [(509 - 506) / 506] x 100
Subtract the new number by the original number
509 - 506 = 3
3 ÷ 506 = 0.005928853754940711
0.005928853754940711 x 100 = 0.59%