１００％

noun, adverb

100 percent; completely; fully

Used both literally for a full percentage and figuratively to mean 'entirely' or 'without reservation'. As an adverb, it often modifies verbs like 信じる or 賛成する.

• このジュースは１００％オレンジです。

  This juice is 100% orange.

• 彼かれの意い見けんに１００％賛さん成せいです。

  I completely agree with his opinion.