You need to edit the code,so

On :TEXT:!Evil :#:{ msg $Chan 4,1 $+ $2- is $rand(0,100) $+ % Evil }

looks like this

On :TEXT:!Evil:#:{ msg $Chan 4,1 $+ $2- is $rand(0,100) $+ % Evil }

EDIT:
I failed to realise that this scrit is really old >.<