I have a formula, found elsewhere, that counts the totals of cells from current date – backwards for one year
=SUMIFS($L$5:$BDQ$5,$L$3:$BDQ$3,"<="&F37,$L$3:$BDQ$3,">="&DATE(YEAR(F37)-1,MONTH(F37),DAY(F37)))
Data in $L$5:$BDQ$5
Dates in ,$L$3:$BDQ$3
Todays date in $F$37
This works perfect for...