-82.14% is the change from 448 to 80
Calculation steps:
[( 80 - 448 ) ÷ 448] x 100 = -82.14%
Formula
Percentage change = [(80 - 448) / 448] x 100
Subtract the new number by the original number
80 - 448 = -368
-368 ÷ 448 = -0.8214285714285714
-0.8214285714285714 x 100 = -82.14%