14.03% is the change from 506 to 577
Calculation steps:
[( 577 - 506 ) ÷ 506] x 100 = 14.03%
Formula
Percentage change = [(577 - 506) / 506] x 100
Subtract the new number by the original number
577 - 506 = 71
71 ÷ 506 = 0.14031620553359683
0.14031620553359683 x 100 = 14.03%