let
    Source = Excel.Workbook(Web.Contents("<sharepoint url goes here>"), null, true),
    Source_Table = Source{[Item="AccountsTotals",Kind="Table"]}[Data],
    #"Changed Type" = Table.TransformColumnTypes(Source_Table,{{"AccountTotal", type text}, {"AccountTotalName", type text}, {"IsProfitLoss", type logical}, {"IsBalanceSheet", type logical}, {"IsAccountClassification", type logical}, {"Order", Int64.Type}, {"VarianceImpactSign", Int64.Type}})
in
    #"Changed Type"