The formula of a slope:

We have m = -2 and the points (0, d) and (-8, 9). Substitute:

Answer:
3 times 100 divided by 15 gives us 20%
Step-by-step explanation:
Any explain this to me a little bit morebetter
The nine in 79,401 is In the thousands place
Change in y / change in x
(6 - 4) / (2 - 0)
2 / 2
Numerator = 2.