---
schema_version: "1"
id: 5d0563a2574da86a3bb32b074acce0439e7a44e3ce80933da74fdbc41db7ab43
title: () (Open Parenthesis and Close Parenthesis)
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/customize_functions_open_parenthesis_and_close_parenthesis.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.customize_functions_open_parenthesis_and_close_parenthesis.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 2726e569cd613113d8b9f8c04da37feeb34a27456f59c0b2320d11b23d6f2899
description: Specifies that the expressions within the open parenthesis and close parenthesis are evaluated first. All other expressions are evaluated using standard operator precedence.
products:
  - Salesforce Platform
  - Security
release: "264"
---
# () (Open Parenthesis and Close Parenthesis)

Specifies that the expressions within the open parenthesis and close parenthesis are evaluated first. All other expressions are evaluated using standard operator precedence.

## Use

(expression1) expression2... and replace each expression with merge fields, expressions, or other numeric values.

![Subtraction and Division Example](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-platform-extend_click-264-0-0-production-enus/5f7d9219-b7b1-4552-8891-f1aba9b289fc/images/icon_example.png)

Subtraction and Division Example

`(Unit_Value__c - Old_Value__c) / New_Value__c` calculates the difference between the old value and new value divided by the new value.

![Report Example](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-platform-extend_click-264-0-0-production-enus/5f7d9219-b7b1-4552-8891-f1aba9b289fc/images/icon_example.png)

Report Example

`(DURATIONHOURS:SUM * RowCount) / 24` calculates the duration of all event times the record count per 24 hours. This formula is a percent data type that returns a positive or negative integer or decimal, representing what percent of a day is spent on events.