12.71% is the change from 645 to 727
Calculation steps:
[( 727 - 645 ) ÷ 645] x 100 = 12.71%
Formula
Percentage change = [(727 - 645) / 645] x 100
Subtract the new number by the original number
727 - 645 = 82
82 ÷ 645 = 0.12713178294573643
0.12713178294573643 x 100 = 12.71%