I got the same problem like this guy.
Problem : http://forums.rpgmakerweb.com/index.php?/topic/47492-resistance-rate/?p=473590
Solution : http://forums.rpgmakerweb.com/index.php?/topic/47492-resistance-rate/?p=473621
Bigger problem for me : The issue has been corrected, but when I wanted to do it, there was one problem for me. I don't know where's the Windows Region Settings or where to go in order to change the decimals :'(
Problem : http://forums.rpgmakerweb.com/index.php?/topic/47492-resistance-rate/?p=473590
Solution : http://forums.rpgmakerweb.com/index.php?/topic/47492-resistance-rate/?p=473621
Bigger problem for me : The issue has been corrected, but when I wanted to do it, there was one problem for me. I don't know where's the Windows Region Settings or where to go in order to change the decimals :'(