-98.41% is the change from 566 to 9
Calculation steps:
[( 9 - 566 ) ÷ 566] x 100 = -98.41%
Formula
Percentage change = [(9 - 566) / 566] x 100
Subtract the new number by the original number
9 - 566 = -557
-557 ÷ 566 = -0.9840989399293286
-0.9840989399293286 x 100 = -98.41%