-82.57% is the change from 459 to 80
Calculation steps:
[( 80 - 459 ) ÷ 459] x 100 = -82.57%
Formula
Percentage change = [(80 - 459) / 459] x 100
Subtract the new number by the original number
80 - 459 = -379
-379 ÷ 459 = -0.8257080610021786
-0.8257080610021786 x 100 = -82.57%