Fix and format

This will take care of the large file size overflow error.

Author: BlitzErik

sp_Blitz.sql

@@ -5024,7 +5024,7 @@ IF @ProductVersionMajor >= 10
 		                                ''File Configuration'' AS FindingsGroup,
 		                                ''File growth set to percent'',
 		                                ''https://BrentOzar.com/go/percentgrowth'' AS URL,
-		                                ''The ['' + DB_NAME() + ''] database file '' + f.physical_name + '' has grown to '' + CAST((CONVERT(BIGINT, f.size * 8) / 1000000) AS NVARCHAR(10)) + '' GB, and is using percent filegrowth settings. This can lead to slow performance during growths if Instant File Initialization is not enabled.''
+		                                ''The ['' + DB_NAME() + ''] database file '' + f.physical_name + '' has grown to '' + CONVERT(NVARCHAR(10), CONVERT(NUMERIC(38, 2), (f.size / 128.) / 1024.)) + '' GB, and is using percent filegrowth settings. This can lead to slow performance during growths if Instant File Initialization is not enabled.''
 		                                FROM    [?].sys.database_files f
 		                                WHERE   is_percent_growth = 1 and size > 128000  OPTION (RECOMPILE);';
 					            END;