Follow the basic two measures
cum_total_ticket =
CALCULATE(
SUM(Ticket[total ticket]),
FILTER(
ALL(Ticket),
Ticket[CompletedDate] <= MIN(Ticket[CompletedDate])
)
)
cum_sold_ticket =
CALCULATE(
IF(
SUM(Ticket[sold ticket]) = BLANK(),
0,
SUM(Ticket[sold ticket])
),
FILTER(
ALL(Ticket),
Ticket[CompletedDate] <= MIN(Ticket[CompletedDate])
)
)
Check the power bi training provided by intellipaat
Also, check the youtube video