12.38% is the change from 646 to 726
Calculation steps:
[( 726 - 646 ) ÷ 646] x 100 = 12.38%
Formula
Percentage change = [(726 - 646) / 646] x 100
Subtract the new number by the original number
726 - 646 = 80
80 ÷ 646 = 0.1238390092879257
0.1238390092879257 x 100 = 12.38%