9.49% is the change from 664 to 727
Calculation steps:
[( 727 - 664 ) ÷ 664] x 100 = 9.49%
Formula
Percentage change = [(727 - 664) / 664] x 100
Subtract the new number by the original number
727 - 664 = 63
63 ÷ 664 = 0.09487951807228916
0.09487951807228916 x 100 = 9.49%