Почему cmd при запуска данного .bat файла ругается на %?

Rem This .bat file allows you to copy/transfer files from one folder to another one and remove them.
Rem You have to pass path triples: action arg0 arg1.
Rem Action could be one of the following values: copy, move, delete.
Rem Example: CopyAction.bat Copy PathFromA PathToA Move PathFromB PathToB
 
title Action
echo off
 
Rem ==================================================================================================
set EmptyPathListError="There is no path list provided."
set WrongItemCount="Path count must be a number divisible by 3."
 
set WrongPathError="Wrong path provided."
 
set WrongAction="Action could be only copy or move or delete."
set WrongActionArgsCountError="This action requieres another parameter count."
 
Rem ==================================================================================================
set ArgsCount=0
for %%x in (%*) do set /A ArgsCount+=1
 
if %ArgsCount%==0 (
    echo %EmptyPathListError%
) else (
    if %ArgsCount% %% 3 NEQ 0 ( Rem <--
        echo %WrongItemCount%
    )
)

if %ArgsCount% %3 NEQ 0 (

if %ArgsCount% %3 NEQ 0 (

if %ArgsCount% %% 3 NEQ 0 (