-85.2% is the change from 588 to 87
Calculation steps:
[( 87 - 588 ) ÷ 588] x 100 = -85.2%
Formula
Percentage change = [(87 - 588) / 588] x 100
Subtract the new number by the original number
87 - 588 = -501
-501 ÷ 588 = -0.8520408163265306
-0.8520408163265306 x 100 = -85.2%