-12.28% is the change from 448 to 393
Calculation steps:
[( 393 - 448 ) ÷ 448] x 100 = -12.28%
Formula
Percentage change = [(393 - 448) / 448] x 100
Subtract the new number by the original number
393 - 448 = -55
-55 ÷ 448 = -0.12276785714285714
-0.12276785714285714 x 100 = -12.28%