6.63% is the change from 664 to 708
Calculation steps:
[( 708 - 664 ) ÷ 664] x 100 = 6.63%
Formula
Percentage change = [(708 - 664) / 664] x 100
Subtract the new number by the original number
708 - 664 = 44
44 ÷ 664 = 0.06626506024096386
0.06626506024096386 x 100 = 6.63%