-99.32% is the change from 590 to 4
Calculation steps:
[( 4 - 590 ) ÷ 590] x 100 = -99.32%
Formula
Percentage change = [(4 - 590) / 590] x 100
Subtract the new number by the original number
4 - 590 = -586
-586 ÷ 590 = -0.9932203389830508
-0.9932203389830508 x 100 = -99.32%