Roll-Up total doesn't add up

Test = 
SUMX(
	VALUES( M_Countries[Country] ),
    
    VAR Growth_Rate =
    	CALCULATE(SUM(EFC[Value]),EFC[KPI]="NEP",ALL('Axis'), 'Axis'[Period]="EFC1")
    	- CALCULATE(SUM(EFC[Value]),EFC[KPI]="NEP",ALL('Axis'), 'Axis'[Period]="FC")
    
    VAR Assumed_Rate=
    	CALCULATE(SUM(EFC[Value]),EFC[KPI]="Assumed Rate", ALL('Axis'), 'Axis'[Period]="EFC1" )

    
    VAR OUE_over_NEP = 
    	DIVIDE(
    		CALCULATE(SUM(EFC[Value]),EFC[KPI]="OUE",ALL('Axis'), 'Axis'[Period]="FC" ),
    		CALCULATE(SUM(EFC[Value]),EFC[KPI]="NEP",ALL('Axis'), 'Axis'[Period]="FC" )
    		,0)
    
    VAR OUE_pct_var = 
    	CALCULATE(SUM('Variable Costs'[% OUE]))

    VAR ULAE_over_NEP=
    	DIVIDE(
    		CALCULATE(SUM(EFC[Value]),EFC[KPI]="ULAE",ALL('Axis'), 'Axis'[Period]="FC" ),
    		CALCULATE(SUM(EFC[Value]),EFC[KPI]="NEP",ALL('Axis'), 'Axis'[Period]="FC" )
    		,0)
    
    VAR ULAE_pct_var= CALCULATE(SUM('Variable Costs'[% ULAE]))

	RETURN
	
	IF (
		SELECTEDVALUE ( 'Axis'[Period] ) <> "EFC1",
		BLANK (),
		(Growth_Rate - Assumed_Rate) * (OUE_pct_var * OUE_over_NEP + ULAE_pct_var * ULAE_over_NEP)
	)
)

You'd closed the SUMX to early. Hope the above now works!