35.56% is the change from 509 to 690
Calculation steps:
[( 690 - 509 ) ÷ 509] x 100 = 35.56%
Formula
Percentage change = [(690 - 509) / 509] x 100
Subtract the new number by the original number
690 - 509 = 181
181 ÷ 509 = 0.3555992141453831
0.3555992141453831 x 100 = 35.56%