39.88% is the change from 509 to 712
Calculation steps:
[( 712 - 509 ) ÷ 509] x 100 = 39.88%
Formula
Percentage change = [(712 - 509) / 509] x 100
Subtract the new number by the original number
712 - 509 = 203
203 ÷ 509 = 0.3988212180746562
0.3988212180746562 x 100 = 39.88%
Example