-17.21% is the change from 587 to 486
Calculation steps:
[( 486 - 587 ) ÷ 587] x 100 = -17.21%
Formula
Percentage change = [(486 - 587) / 587] x 100
Subtract the new number by the original number
486 - 587 = -101
-101 ÷ 587 = -0.17206132879045996
-0.17206132879045996 x 100 = -17.21%