13.81% is the change from 507 to 577
Calculation steps:
[( 577 - 507 ) ÷ 507] x 100 = 13.81%
Formula
Percentage change = [(577 - 507) / 507] x 100
Subtract the new number by the original number
577 - 507 = 70
70 ÷ 507 = 0.13806706114398423
0.13806706114398423 x 100 = 13.81%