9.63% is the change from 509 to 558
Calculation steps:
[( 558 - 509 ) ÷ 509] x 100 = 9.63%
Formula
Percentage change = [(558 - 509) / 509] x 100
Subtract the new number by the original number
558 - 509 = 49
49 ÷ 509 = 0.0962671905697446
0.0962671905697446 x 100 = 9.63%