Question

question is very urgent​

Answer 1

Answer:

20/400*100

5 % answer

Answer 2

Answer:

5%

Step-by-step explanation:

First substract and find the difference

400 - 380 = 20

now we can be able to find decrease percent

the formula is,  Decrease% = $\frac{DECREASE IN AMOUNT}{ORIGINAL AMOUNT}$ X 100

= $\frac{20}{400}$ x 100

= $\frac{20}{4}$

= 5%

Hope you got it :)