36.94% is the change from 509 to 697
Calculation steps:
[( 697 - 509 ) ÷ 509] x 100 = 36.94%
Formula
Percentage change = [(697 - 509) / 509] x 100
Subtract the new number by the original number
697 - 509 = 188
188 ÷ 509 = 0.3693516699410609
0.3693516699410609 x 100 = 36.94%