Collection_ratio_from_receipt__c
    AccumulativeTotalPaymentAmount__c / ARAmountBasePaymentTerm__c
修改前:if(InvoiceAmount__c=0,
  if(ARAmountBasePaymentTerm__c = 0,1,AccumulativeTotalPaymentAmount__c / (ARAmountBasePaymentTerm__c + AccumulativeTotalPaymentAmount__c)),
null)
    false
    if(InvoiceAmount__c=0, 
if(ARAmountBasePaymentTerm__c = 0, 1, IF(ArrearsBasePaymentTerm__c = 0, 1, AccumulativeTotalPaymentAmount__c / ARAmountBasePaymentTerm__c)), 
null)
    BlankAsZero
    
    18
    false
    2
    false
    false
    Percent