Answer:
35%
Step-by-step explanation:
First, set up the equation.
[tex]\frac{78-120}{120} *100=[/tex] %
Then solve.
78-120 is -42.
Divide by 120. -0.35.
Multiply by 100. -35.
The negative sign means that it is decreasing, so you can take it away.
I hope this helps!
