12.54% is the change from 646 to 727
Calculation steps:
[( 727 - 646 ) ÷ 646] x 100 = 12.54%
Formula
Percentage change = [(727 - 646) / 646] x 100
Subtract the new number by the original number
727 - 646 = 81
81 ÷ 646 = 0.12538699690402477
0.12538699690402477 x 100 = 12.54%