-8.38% is the change from 501 to 459
Calculation steps:
[( 459 - 501 ) ÷ 501] x 100 = -8.38%
Formula
Percentage change = [(459 - 501) / 501] x 100
Subtract the new number by the original number
459 - 501 = -42
-42 ÷ 501 = -0.08383233532934131
-0.08383233532934131 x 100 = -8.38%