-87.28% is the change from 448 to 57
Calculation steps:
[( 57 - 448 ) ÷ 448] x 100 = -87.28%
Formula
Percentage change = [(57 - 448) / 448] x 100
Subtract the new number by the original number
57 - 448 = -391
-391 ÷ 448 = -0.8727678571428571
-0.8727678571428571 x 100 = -87.28%