-98.1% is the change from 579 to 11
Calculation steps:
[( 11 - 579 ) ÷ 579] x 100 = -98.1%
Formula
Percentage change = [(11 - 579) / 579] x 100
Subtract the new number by the original number
11 - 579 = -568
-568 ÷ 579 = -0.9810017271157168
-0.9810017271157168 x 100 = -98.1%