12.42% is the change from 644 to 724
Calculation steps:
[( 724 - 644 ) ÷ 644] x 100 = 12.42%
Formula
Percentage change = [(724 - 644) / 644] x 100
Subtract the new number by the original number
724 - 644 = 80
80 ÷ 644 = 0.12422360248447205
0.12422360248447205 x 100 = 12.42%