The Metric Unexpectedly Dropped: what to do

The Metric Unexpectedly Dropped by ___%. Here is what to do:

The answers to these questions will help to understand the causal relationship and deal with the problem:

1) Importance: does this metric matter?

2) Time frame: over what time period has this metric changed?

3) Dispersion: is this fluctuation normal?

4) Equation: what equation leads to this metric?

5) Indicator: which metric has changed?

6) Reason-hypothesis: why could this metric change?

Source: https://epic.club/tools/Metric-Dropped