-55.52% is the change from 987 to 439
Calculation steps:
[( 439 - 987 ) ÷ 987] x 100 = -55.52%
Formula
Percentage change = [(439 - 987) / 987] x 100
Subtract the new number by the original number
439 - 987 = -548
-548 ÷ 987 = -0.5552178318135765
-0.5552178318135765 x 100 = -55.52%