-10.39% is the change from 722 to 647
Calculation steps:
[( 647 - 722 ) ÷ 722] x 100 = -10.39%
Formula
Percentage change = [(647 - 722) / 722] x 100
Subtract the new number by the original number
647 - 722 = -75
-75 ÷ 722 = -0.1038781163434903
-0.1038781163434903 x 100 = -10.39%