-98.81% is the change from 586 to 7
Calculation steps:
[( 7 - 586 ) ÷ 586] x 100 = -98.81%
Formula
Percentage change = [(7 - 586) / 586] x 100
Subtract the new number by the original number
7 - 586 = -579
-579 ÷ 586 = -0.9880546075085325
-0.9880546075085325 x 100 = -98.81%