-49.78% is the change from 448 to 225
Calculation steps:
[( 225 - 448 ) ÷ 448] x 100 = -49.78%
Formula
Percentage change = [(225 - 448) / 448] x 100
Subtract the new number by the original number
225 - 448 = -223
-223 ÷ 448 = -0.49776785714285715
-0.49776785714285715 x 100 = -49.78%