-83.54% is the change from 486 to 80
Calculation steps:
[( 80 - 486 ) ÷ 486] x 100 = -83.54%
Formula
Percentage change = [(80 - 486) / 486] x 100
Subtract the new number by the original number
80 - 486 = -406
-406 ÷ 486 = -0.8353909465020576
-0.8353909465020576 x 100 = -83.54%