-4.79% is the change from 501 to 477
Calculation steps:
[( 477 - 501 ) ÷ 501] x 100 = -4.79%
Formula
Percentage change = [(477 - 501) / 501] x 100
Subtract the new number by the original number
477 - 501 = -24
-24 ÷ 501 = -0.04790419161676647
-0.04790419161676647 x 100 = -4.79%