-99.31% is the change from 579 to 4
Calculation steps:
[( 4 - 579 ) ÷ 579] x 100 = -99.31%
Formula
Percentage change = [(4 - 579) / 579] x 100
Subtract the new number by the original number
4 - 579 = -575
-575 ÷ 579 = -0.9930915371329879
-0.9930915371329879 x 100 = -99.31%