9.43% is the change from 668 to 731
Calculation steps:
[( 731 - 668 ) ÷ 668] x 100 = 9.43%
Formula
Percentage change = [(731 - 668) / 668] x 100
Subtract the new number by the original number
731 - 668 = 63
63 ÷ 668 = 0.09431137724550898
0.09431137724550898 x 100 = 9.43%