28.68% is the change from 509 to 655
Calculation steps:
[( 655 - 509 ) ÷ 509] x 100 = 28.68%
Formula
Percentage change = [(655 - 509) / 509] x 100
Subtract the new number by the original number
655 - 509 = 146
146 ÷ 509 = 0.2868369351669941
0.2868369351669941 x 100 = 28.68%