-71.31% is the change from 502 to 144
Calculation steps:
[( 144 - 502 ) ÷ 502] x 100 = -71.31%
Formula
Percentage change = [(144 - 502) / 502] x 100
Subtract the new number by the original number
144 - 502 = -358
-358 ÷ 502 = -0.7131474103585658
-0.7131474103585658 x 100 = -71.31%