30.99% is the change from 555 to 727
Calculation steps:
[( 727 - 555 ) ÷ 555] x 100 = 30.99%
Formula
Percentage change = [(727 - 555) / 555] x 100
Subtract the new number by the original number
727 - 555 = 172
172 ÷ 555 = 0.3099099099099099
0.3099099099099099 x 100 = 30.99%