-88.79% is the change from 589 to 66
Calculation steps:
[( 66 - 589 ) ÷ 589] x 100 = -88.79%
Formula
Percentage change = [(66 - 589) / 589] x 100
Subtract the new number by the original number
66 - 589 = -523
-523 ÷ 589 = -0.8879456706281834
-0.8879456706281834 x 100 = -88.79%