-51.06% is the change from 897 to 439
Calculation steps:
[( 439 - 897 ) ÷ 897] x 100 = -51.06%
Formula
Percentage change = [(439 - 897) / 897] x 100
Subtract the new number by the original number
439 - 897 = -458
-458 ÷ 897 = -0.5105908584169454
-0.5105908584169454 x 100 = -51.06%