9.93% is the change from 604 to 664
Calculation steps:
[( 664 - 604 ) ÷ 604] x 100 = 9.93%
Formula
Percentage change = [(664 - 604) / 604] x 100
Subtract the new number by the original number
664 - 604 = 60
60 ÷ 604 = 0.09933774834437085
0.09933774834437085 x 100 = 9.93%