9.04% is the change from 664 to 724
Calculation steps:
[( 724 - 664 ) ÷ 664] x 100 = 9.04%
Formula
Percentage change = [(724 - 664) / 664] x 100
Subtract the new number by the original number
724 - 664 = 60
60 ÷ 664 = 0.09036144578313253
0.09036144578313253 x 100 = 9.04%