8.73% is the change from 664 to 722
Calculation steps:
[( 722 - 664 ) ÷ 664] x 100 = 8.73%
Formula
Percentage change = [(722 - 664) / 664] x 100
Subtract the new number by the original number
722 - 664 = 58
58 ÷ 664 = 0.08734939759036145
0.08734939759036145 x 100 = 8.73%