-80.2% is the change from 404 to 80
Calculation steps:
[( 80 - 404 ) ÷ 404] x 100 = -80.2%
Formula
Percentage change = [(80 - 404) / 404] x 100
Subtract the new number by the original number
80 - 404 = -324
-324 ÷ 404 = -0.801980198019802
-0.801980198019802 x 100 = -80.2%