-87.81% is the change from 599 to 73
Calculation steps:
[( 73 - 599 ) ÷ 599] x 100 = -87.81%
Formula
Percentage change = [(73 - 599) / 599] x 100
Subtract the new number by the original number
73 - 599 = -526
-526 ÷ 599 = -0.8781302170283807
-0.8781302170283807 x 100 = -87.81%