N/runtime Module
Script.percentComplete
Property Description: The percent complete specified for the current scheduled script execution. This value appears in the % Complete column on the Scheduled Script Status page. This value can be set or retrieved.
Type: number
Supported Script Types: Client and server scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/runtime Module
Since: 2015.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Script.percentComplete

// Code Example 1

// Add additional code

//...

// Gets the percentage of records completed

var scriptObj = runtime.getCurrentScript();

if (scriptObj.executionContext === ContextType.SCHEDULED) {

    log.debug({

        details: 'Script percent complete: ' + scriptObj.percentComplete

    });

}

//...

// Add additional code



// Code Example 2

// Add additional code

//...

// Sets the percent complete

var script = runtime.getCurrentScript();

for (x = 0; x < 500; x++) {

    var rec = record.create({

        type: record.Type.SALES_ORDER

    });

    script.percentComplete = (x * 100)/500;

    log.debug({

        title: 'New Sales Orders',

        details: 'Record creation progress: ' + script.percentComplete + '%'

    });

}

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4296662993.html