Problem
Write a SQL query to identify branches with declining transaction volume over the last 3 months, including month-over-month change and ranking by decline.
Practicing as: Operations Manager interview at Industrial and Commercial Bank of ChinaHi, I'll play your Industrial and Commercial Bank of China interviewer for the Operations Manager role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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