-86.53% is the change from 720 to 97
Calculation steps:
[( 97 - 720 ) ÷ 720] x 100 = -86.53%
Formula
Percentage change = [(97 - 720) / 720] x 100
Subtract the new number by the original number
97 - 720 = -623
-623 ÷ 720 = -0.8652777777777778
-0.8652777777777778 x 100 = -86.53%