23.38% is the change from 509 to 628
Calculation steps:
[( 628 - 509 ) ÷ 509] x 100 = 23.38%
Formula
Percentage change = [(628 - 509) / 509] x 100
Subtract the new number by the original number
628 - 509 = 119
119 ÷ 509 = 0.2337917485265226
0.2337917485265226 x 100 = 23.38%