-96.47% is the change from 566 to 20
Calculation steps:
[( 20 - 566 ) ÷ 566] x 100 = -96.47%
Formula
Percentage change = [(20 - 566) / 566] x 100
Subtract the new number by the original number
20 - 566 = -546
-546 ÷ 566 = -0.9646643109540636
-0.9646643109540636 x 100 = -96.47%