-44.28% is the change from 987 to 550
Calculation steps:
[( 550 - 987 ) ÷ 987] x 100 = -44.28%
Formula
Percentage change = [(550 - 987) / 987] x 100
Subtract the new number by the original number
550 - 987 = -437
-437 ÷ 987 = -0.44275582573454914
-0.44275582573454914 x 100 = -44.28%