-7.2% is the change from 722 to 670
Calculation steps:
[( 670 - 722 ) ÷ 722] x 100 = -7.2%
Formula
Percentage change = [(670 - 722) / 722] x 100
Subtract the new number by the original number
670 - 722 = -52
-52 ÷ 722 = -0.07202216066481995
-0.07202216066481995 x 100 = -7.2%