-8.58% is the change from 501 to 458
Calculation steps:
[( 458 - 501 ) ÷ 501] x 100 = -8.58%
Formula
Percentage change = [(458 - 501) / 501] x 100
Subtract the new number by the original number
458 - 501 = -43
-43 ÷ 501 = -0.08582834331337326
-0.08582834331337326 x 100 = -8.58%