-15.28% is the change from 720 to 610
Calculation steps:
[( 610 - 720 ) ÷ 720] x 100 = -15.28%
Formula
Percentage change = [(610 - 720) / 720] x 100
Subtract the new number by the original number
610 - 720 = -110
-110 ÷ 720 = -0.1527777777777778
-0.1527777777777778 x 100 = -15.28%