-39.73% is the change from 448 to 270
Calculation steps:
[( 270 - 448 ) ÷ 448] x 100 = -39.73%
Formula
Percentage change = [(270 - 448) / 448] x 100
Subtract the new number by the original number
270 - 448 = -178
-178 ÷ 448 = -0.39732142857142855
-0.39732142857142855 x 100 = -39.73%