Answer: When something is decreasing by 30%, the growth factor is 0.7 (1 - 0.3).
When something is increasing by 200%, the growth factor is 3 (1 + 2).
When something is decreasing by 8%, the growth factor is 0.92 (1 - 0.08).
When something is decreasing by 0.12%, the growth factor is 0.99988 (1 - 0.0012).