17.9% is the change from 620 to 731
Calculation steps:
[( 731 - 620 ) ÷ 620] x 100 = 17.9%
Formula
Percentage change = [(731 - 620) / 620] x 100
Subtract the new number by the original number
731 - 620 = 111
111 ÷ 620 = 0.17903225806451614
0.17903225806451614 x 100 = 17.9%