-7.76% is the change from 722 to 666
Calculation steps:
[( 666 - 722 ) ÷ 722] x 100 = -7.76%
Formula
Percentage change = [(666 - 722) / 722] x 100
Subtract the new number by the original number
666 - 722 = -56
-56 ÷ 722 = -0.07756232686980609
-0.07756232686980609 x 100 = -7.76%