-12.48% is the change from 585 to 512
Calculation steps:
[( 512 - 585 ) ÷ 585] x 100 = -12.48%
Formula
Percentage change = [(512 - 585) / 585] x 100
Subtract the new number by the original number
512 - 585 = -73
-73 ÷ 585 = -0.12478632478632479
-0.12478632478632479 x 100 = -12.48%