How to say “I'm ninety-nine percent sure.” in JapaneseIn Japanese九十九(きゅうじゅうきゅう)パーセント間違(まちが)いないよ。Kyūjūkyū pāsento machigai nai yo.▶ Hear it in JapaneseI'm ninety-nine percent sure. in other languagesWhat I'm ninety-nine percent sure. meansIn PortugueseIn French