40.28% is the change from 509 to 714
Calculation steps:
[( 714 - 509 ) ÷ 509] x 100 = 40.28%
Formula
Percentage change = [(714 - 509) / 509] x 100
Subtract the new number by the original number
714 - 509 = 205
205 ÷ 509 = 0.4027504911591356
0.4027504911591356 x 100 = 40.28%