-74.1% is the change from 502 to 130
Calculation steps:
[( 130 - 502 ) ÷ 502] x 100 = -74.1%
Formula
Percentage change = [(130 - 502) / 502] x 100
Subtract the new number by the original number
130 - 502 = -372
-372 ÷ 502 = -0.7410358565737052
-0.7410358565737052 x 100 = -74.1%