-83.09% is the change from 473 to 80
Calculation steps:
[( 80 - 473 ) ÷ 473] x 100 = -83.09%
Formula
Percentage change = [(80 - 473) / 473] x 100
Subtract the new number by the original number
80 - 473 = -393
-393 ÷ 473 = -0.8308668076109936
-0.8308668076109936 x 100 = -83.09%