9.94% is the change from 664 to 730
Calculation steps:
[( 730 - 664 ) ÷ 664] x 100 = 9.94%
Formula
Percentage change = [(730 - 664) / 664] x 100
Subtract the new number by the original number
730 - 664 = 66
66 ÷ 664 = 0.09939759036144578
0.09939759036144578 x 100 = 9.94%