14.94% is the change from 502 to 577
Calculation steps:
[( 577 - 502 ) ÷ 502] x 100 = 14.94%
Formula
Percentage change = [(577 - 502) / 502] x 100
Subtract the new number by the original number
577 - 502 = 75
75 ÷ 502 = 0.14940239043824702
0.14940239043824702 x 100 = 14.94%