-7.18% is the change from 585 to 543
Calculation steps:
[( 543 - 585 ) ÷ 585] x 100 = -7.18%
Formula
Percentage change = [(543 - 585) / 585] x 100
Subtract the new number by the original number
543 - 585 = -42
-42 ÷ 585 = -0.07179487179487179
-0.07179487179487179 x 100 = -7.18%