-79.07% is the change from 497 to 104
Calculation steps:
[( 104 - 497 ) ÷ 497] x 100 = -79.07%
Formula
Percentage change = [(104 - 497) / 497] x 100
Subtract the new number by the original number
104 - 497 = -393
-393 ÷ 497 = -0.7907444668008048
-0.7907444668008048 x 100 = -79.07%