-72.71% is the change from 502 to 137
Calculation steps:
[( 137 - 502 ) ÷ 502] x 100 = -72.71%
Formula
Percentage change = [(137 - 502) / 502] x 100
Subtract the new number by the original number
137 - 502 = -365
-365 ÷ 502 = -0.7270916334661355
-0.7270916334661355 x 100 = -72.71%