3.96% is the change from 555 to 577
Calculation steps:
[( 577 - 555 ) ÷ 555] x 100 = 3.96%
Formula
Percentage change = [(577 - 555) / 555] x 100
Subtract the new number by the original number
577 - 555 = 22
22 ÷ 555 = 0.03963963963963964
0.03963963963963964 x 100 = 3.96%