-96.63% is the change from 594 to 20
Calculation steps:
[( 20 - 594 ) ÷ 594] x 100 = -96.63%
Formula
Percentage change = [(20 - 594) / 594] x 100
Subtract the new number by the original number
20 - 594 = -574
-574 ÷ 594 = -0.9663299663299664
-0.9663299663299664 x 100 = -96.63%