12.38% is the change from 517 to 581
Calculation steps:
[( 581 - 517 ) ÷ 517] x 100 = 12.38%
Formula
Percentage change = [(581 - 517) / 517] x 100
Subtract the new number by the original number
581 - 517 = 64
64 ÷ 517 = 0.12379110251450677
0.12379110251450677 x 100 = 12.38%