-77.64% is the change from 720 to 161
Calculation steps:
[( 161 - 720 ) ÷ 720] x 100 = -77.64%
Formula
Percentage change = [(161 - 720) / 720] x 100
Subtract the new number by the original number
161 - 720 = -559
-559 ÷ 720 = -0.7763888888888889
-0.7763888888888889 x 100 = -77.64%