-17.02% is the change from 987 to 819
Calculation steps:
[( 819 - 987 ) ÷ 987] x 100 = -17.02%
Formula
Percentage change = [(819 - 987) / 987] x 100
Subtract the new number by the original number
819 - 987 = -168
-168 ÷ 987 = -0.1702127659574468
-0.1702127659574468 x 100 = -17.02%