-20.06% is the change from 987 to 789
Calculation steps:
[( 789 - 987 ) ÷ 987] x 100 = -20.06%
Formula
Percentage change = [(789 - 987) / 987] x 100
Subtract the new number by the original number
789 - 987 = -198
-198 ÷ 987 = -0.2006079027355623
-0.2006079027355623 x 100 = -20.06%