-96.81% is the change from 721 to 23
Calculation steps:
[( 23 - 721 ) ÷ 721] x 100 = -96.81%
Formula
Percentage change = [(23 - 721) / 721] x 100
Subtract the new number by the original number
23 - 721 = -698
-698 ÷ 721 = -0.9680998613037448
-0.9680998613037448 x 100 = -96.81%