
Explanation:

Box 1: CALCULATE
Box 2: DATEADD
Box 3: DIVIDE
Example:
NET_SALES QoQ% =
IF(
ISFILTERED('Calendar'[Date]),
ERROR("Time intelligence quick measures can only be grouped or filtered by the Power BI-provided date hierarchy or primary date column."), VAR __PREV_QUARTER = CALCULATE( SUM('research ra_qtr_template'[NET_SALES]), DATEADD('Calendar'[Date].[Date], -1, QUARTER) ) RETURN DIVIDE( SUM('research ra_qtr_template'[NET_SALES]) - __PREV_QUARTER,
__PREV_QUARTER
)
)
Reference:
https://community.powerbi.com/t5/Desktop/Error-calculating-QOQ-using-quick-measure/m-p/547054