31.71% is the change from 555 to 731
Calculation steps:
[( 731 - 555 ) ÷ 555] x 100 = 31.71%
Formula
Percentage change = [(731 - 555) / 555] x 100
Subtract the new number by the original number
731 - 555 = 176
176 ÷ 555 = 0.3171171171171171
0.3171171171171171 x 100 = 31.71%