-96.83% is the change from 599 to 19
Calculation steps:
[( 19 - 599 ) ÷ 599] x 100 = -96.83%
Formula
Percentage change = [(19 - 599) / 599] x 100
Subtract the new number by the original number
19 - 599 = -580
-580 ÷ 599 = -0.9682804674457429
-0.9682804674457429 x 100 = -96.83%