12.4% is the change from 645 to 725
Calculation steps:
[( 725 - 645 ) ÷ 645] x 100 = 12.4%
Formula
Percentage change = [(725 - 645) / 645] x 100
Subtract the new number by the original number
725 - 645 = 80
80 ÷ 645 = 0.12403100775193798
0.12403100775193798 x 100 = 12.4%