12.77% is the change from 642 to 724
Calculation steps:
[( 724 - 642 ) ÷ 642] x 100 = 12.77%
Formula
Percentage change = [(724 - 642) / 642] x 100
Subtract the new number by the original number
724 - 642 = 82
82 ÷ 642 = 0.1277258566978193
0.1277258566978193 x 100 = 12.77%