-75.97% is the change from 720 to 173
Calculation steps:
[( 173 - 720 ) ÷ 720] x 100 = -75.97%
Formula
Percentage change = [(173 - 720) / 720] x 100
Subtract the new number by the original number
173 - 720 = -547
-547 ÷ 720 = -0.7597222222222222
-0.7597222222222222 x 100 = -75.97%