-71.26% is the change from 501 to 144
Calculation steps:
[( 144 - 501 ) ÷ 501] x 100 = -71.26%
Formula
Percentage change = [(144 - 501) / 501] x 100
Subtract the new number by the original number
144 - 501 = -357
-357 ÷ 501 = -0.7125748502994012
-0.7125748502994012 x 100 = -71.26%