13.69% is the change from 643 to 731
Calculation steps:
[( 731 - 643 ) ÷ 643] x 100 = 13.69%
Formula
Percentage change = [(731 - 643) / 643] x 100
Subtract the new number by the original number
731 - 643 = 88
88 ÷ 643 = 0.1368584758942457
0.1368584758942457 x 100 = 13.69%