-98.61% is the change from 720 to 10
Calculation steps:
[( 10 - 720 ) ÷ 720] x 100 = -98.61%
Formula
Percentage change = [(10 - 720) / 720] x 100
Subtract the new number by the original number
10 - 720 = -710
-710 ÷ 720 = -0.9861111111111112
-0.9861111111111112 x 100 = -98.61%