-7.39% is the change from 717 to 664
Calculation steps:
[( 664 - 717 ) ÷ 717] x 100 = -7.39%
Formula
Percentage change = [(664 - 717) / 717] x 100
Subtract the new number by the original number
664 - 717 = -53
-53 ÷ 717 = -0.07391910739191074
-0.07391910739191074 x 100 = -7.39%