-1.68% is the change from 597 to 587
Calculation steps:
[( 587 - 597 ) ÷ 597] x 100 = -1.68%
Formula
Percentage change = [(587 - 597) / 597] x 100
Subtract the new number by the original number
587 - 597 = -10
-10 ÷ 597 = -0.01675041876046901
-0.01675041876046901 x 100 = -1.68%