-85.57% is the change from 603 to 87
Calculation steps:
[( 87 - 603 ) ÷ 603] x 100 = -85.57%
Formula
Percentage change = [(87 - 603) / 603] x 100
Subtract the new number by the original number
87 - 603 = -516
-516 ÷ 603 = -0.8557213930348259
-0.8557213930348259 x 100 = -85.57%