Pls help I’m failing math I’ll brainlest for the right answer grades close today

answer: i think that it would increase by about 20 percent
i am not sure, if i m wrong then i am very sorry!
Step-by-step explanation:
Answer:
The change is a decrease by ~13.6%
Step-by-step explanation:
Formula:
[First Value – Second Value] ÷ [(First Value + Second Value) ÷ 2] × 100
48 - 84 ÷ 48 + 84 ÷ 2 × 100
-36 ÷ 132 ÷ 2 × 100
-0.2727272727272727 ÷ 2 × 100
-0.1363636363636364 × 100
-13.63636363636364
Or ~ 13.6
The change is a decrease by ~13.6%