-52.01% is the change from 448 to 215
Calculation steps:
[( 215 - 448 ) ÷ 448] x 100 = -52.01%
Formula
Percentage change = [(215 - 448) / 448] x 100
Subtract the new number by the original number
215 - 448 = -233
-233 ÷ 448 = -0.5200892857142857
-0.5200892857142857 x 100 = -52.01%