13.86% is the change from 642 to 731
Calculation steps:
[( 731 - 642 ) ÷ 642] x 100 = 13.86%
Formula
Percentage change = [(731 - 642) / 642] x 100
Subtract the new number by the original number
731 - 642 = 89
89 ÷ 642 = 0.13862928348909656
0.13862928348909656 x 100 = 13.86%