-98.64% is the change from 590 to 8
Calculation steps:
[( 8 - 590 ) ÷ 590] x 100 = -98.64%
Formula
Percentage change = [(8 - 590) / 590] x 100
Subtract the new number by the original number
8 - 590 = -582
-582 ÷ 590 = -0.9864406779661017
-0.9864406779661017 x 100 = -98.64%