-71.71% is the change from 502 to 142
Calculation steps:
[( 142 - 502 ) ÷ 502] x 100 = -71.71%
Formula
Percentage change = [(142 - 502) / 502] x 100
Subtract the new number by the original number
142 - 502 = -360
-360 ÷ 502 = -0.7171314741035857
-0.7171314741035857 x 100 = -71.71%