13.92% is the change from 510 to 581
Calculation steps:
[( 581 - 510 ) ÷ 510] x 100 = 13.92%
Formula
Percentage change = [(581 - 510) / 510] x 100
Subtract the new number by the original number
581 - 510 = 71
71 ÷ 510 = 0.1392156862745098
0.1392156862745098 x 100 = 13.92%