-85.58% is the change from 721 to 104
Calculation steps:
[( 104 - 721 ) ÷ 721] x 100 = -85.58%
Formula
Percentage change = [(104 - 721) / 721] x 100
Subtract the new number by the original number
104 - 721 = -617
-617 ÷ 721 = -0.855755894590846
-0.855755894590846 x 100 = -85.58%