12.52% is the change from 647 to 728
Calculation steps:
[( 728 - 647 ) ÷ 647] x 100 = 12.52%
Formula
Percentage change = [(728 - 647) / 647] x 100
Subtract the new number by the original number
728 - 647 = 81
81 ÷ 647 = 0.125193199381762
0.125193199381762 x 100 = 12.52%