Set scripted custom field value depending on other custom field selection

Overall Completion.groovy

import com.atlassian.jira.issue.Issue;
import com.atlassian.jira.issue.CustomFieldManager;
import com.atlassian.jira.issue.fields.CustomField;
import com.atlassian.jira.component.ComponentAccessor;
def member = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Member Rec")
def invest = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Investment")
def debit_creditor = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Debtor/Creditor")
def client_monies = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Client Monies")
def contributions = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Contributions")
def transfer_in = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Transfer In")
def investment_income = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Investment Income")
def risk_section = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Risk Section")
def refund = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Refunds")
def retirement_benefits = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Retirement Benefits")
def pensions = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Pensions")
def death_benefits = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Death Benefits")
def admin_expenses = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Admin Expenses")
def transfer_out = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Transfer Out")
def avc_section = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("AVC Section")
def legal_requirement = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Legal requirements")
def annual_report = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName("Annual Report")

def member_rec = issue.getCustomFieldValue(member);
def invest_value = issue.getCustomFieldValue(invest);
def debit = issue.getCustomFieldValue(debit_creditor);
def client = issue.getCustomFieldValue(client_monies);
def contri = issue.getCustomFieldValue(contributions);
def transfer = issue.getCustomFieldValue(transfer_in);
def investment = issue.getCustomFieldValue(investment_income);
def risk = issue.getCustomFieldValue(risk_section);
def refunded = issue.getCustomFieldValue(refund);
def retirement = issue.getCustomFieldValue(retirement_benefits);
def pension = issue.getCustomFieldValue(pensions);
def death = issue.getCustomFieldValue(death_benefits);
def adminex = issue.getCustomFieldValue(admin_expenses);
def tout = issue.getCustomFieldValue(transfer_out);
def avcsection = issue.getCustomFieldValue(avc_section);
def legal = issue.getCustomFieldValue(legal_requirement);
def annualr = issue.getCustomFieldValue(annual_report);

if (member_rec.toString() == "100%" && invest_value.toString() == "100%" && debit.toString() == "100%" && client.toString() == "100%" && contri.toString() == "100%" && transfer.toString() == "100%" && investment.toString() == "100%" && risk.toString() == "100%" && refunded.toString() == "100%" && retirement.toString() == "100%" && pension.toString() == "100%" && adminex.toString() == "100%" && tout.toString() == "100%" && death.toString() == "100%" && avcsection.toString() == "100%" && legal.toString() == "100%" && annualr.toString() == "100%")  { 
    
    return "100%" }
else {
    return "In Progress"
}