-17.38% is the change from 587 to 485
Calculation steps:
[( 485 - 587 ) ÷ 587] x 100 = -17.38%
Formula
Percentage change = [(485 - 587) / 587] x 100
Subtract the new number by the original number
485 - 587 = -102
-102 ÷ 587 = -0.1737649063032368
-0.1737649063032368 x 100 = -17.38%