-96.59% is the change from 587 to 20
Calculation steps:
[( 20 - 587 ) ÷ 587] x 100 = -96.59%
Formula
Percentage change = [(20 - 587) / 587] x 100
Subtract the new number by the original number
20 - 587 = -567
-567 ÷ 587 = -0.9659284497444633
-0.9659284497444633 x 100 = -96.59%