-51.34% is the change from 448 to 218
Calculation steps:
[( 218 - 448 ) ÷ 448] x 100 = -51.34%
Formula
Percentage change = [(218 - 448) / 448] x 100
Subtract the new number by the original number
218 - 448 = -230
-230 ÷ 448 = -0.5133928571428571
-0.5133928571428571 x 100 = -51.34%