-96.64% is the change from 596 to 20
Calculation steps:
[( 20 - 596 ) ÷ 596] x 100 = -96.64%
Formula
Percentage change = [(20 - 596) / 596] x 100
Subtract the new number by the original number
20 - 596 = -576
-576 ÷ 596 = -0.9664429530201343
-0.9664429530201343 x 100 = -96.64%