13.55% is the change from 642 to 729
Calculation steps:
[( 729 - 642 ) ÷ 642] x 100 = 13.55%
Formula
Percentage change = [(729 - 642) / 642] x 100
Subtract the new number by the original number
729 - 642 = 87
87 ÷ 642 = 0.13551401869158877
0.13551401869158877 x 100 = 13.55%