-8.64% is the change from 509 to 465
Calculation steps:
[( 465 - 509 ) ÷ 509] x 100 = -8.64%
Formula
Percentage change = [(465 - 509) / 509] x 100
Subtract the new number by the original number
465 - 509 = -44
-44 ÷ 509 = -0.08644400785854617
-0.08644400785854617 x 100 = -8.64%