-87.95% is the change from 448 to 54
Calculation steps:
[( 54 - 448 ) ÷ 448] x 100 = -87.95%
Formula
Percentage change = [(54 - 448) / 448] x 100
Subtract the new number by the original number
54 - 448 = -394
-394 ÷ 448 = -0.8794642857142857
-0.8794642857142857 x 100 = -87.95%