-48.94% is the change from 987 to 504
Calculation steps:
[( 504 - 987 ) ÷ 987] x 100 = -48.94%
Formula
Percentage change = [(504 - 987) / 987] x 100
Subtract the new number by the original number
504 - 987 = -483
-483 ÷ 987 = -0.48936170212765956
-0.48936170212765956 x 100 = -48.94%