-96.82% is the change from 566 to 18
Calculation steps:
[( 18 - 566 ) ÷ 566] x 100 = -96.82%
Formula
Percentage change = [(18 - 566) / 566] x 100
Subtract the new number by the original number
18 - 566 = -548
-548 ÷ 566 = -0.9681978798586572
-0.9681978798586572 x 100 = -96.82%