-15.34% is the change from 502 to 425
Calculation steps:
[( 425 - 502 ) ÷ 502] x 100 = -15.34%
Formula
Percentage change = [(425 - 502) / 502] x 100
Subtract the new number by the original number
425 - 502 = -77
-77 ÷ 502 = -0.15338645418326693
-0.15338645418326693 x 100 = -15.34%