-18.03% is the change from 987 to 809
Calculation steps:
[( 809 - 987 ) ÷ 987] x 100 = -18.03%
Formula
Percentage change = [(809 - 987) / 987] x 100
Subtract the new number by the original number
809 - 987 = -178
-178 ÷ 987 = -0.18034447821681865
-0.18034447821681865 x 100 = -18.03%