-17.55% is the change from 957 to 789
Calculation steps:
[( 789 - 957 ) ÷ 957] x 100 = -17.55%
Formula
Percentage change = [(789 - 957) / 957] x 100
Subtract the new number by the original number
789 - 957 = -168
-168 ÷ 957 = -0.1755485893416928
-0.1755485893416928 x 100 = -17.55%