-49.94% is the change from 897 to 449
Calculation steps:
[( 449 - 897 ) ÷ 897] x 100 = -49.94%
Formula
Percentage change = [(449 - 897) / 897] x 100
Subtract the new number by the original number
449 - 897 = -448
-448 ÷ 897 = -0.49944258639910816
-0.49944258639910816 x 100 = -49.94%