-98.81% is the change from 587 to 7
Calculation steps:
[( 7 - 587 ) ÷ 587] x 100 = -98.81%
Formula
Percentage change = [(7 - 587) / 587] x 100
Subtract the new number by the original number
7 - 587 = -580
-580 ÷ 587 = -0.9880749574105622
-0.9880749574105622 x 100 = -98.81%