-50% is the change from 896 to 448
Calculation steps:
[( 448 - 896 ) ÷ 896] x 100 = -50%
Formula
Percentage change = [(448 - 896) / 896] x 100
Subtract the new number by the original number
448 - 896 = -448
-448 ÷ 896 = -0.5
-0.5 x 100 = -50%
Example