Correct

八成

/ bāchéng /
Strokes

Definition

eighty percent/most probably/most likely

Example

As a Noun

eighty per cent; eight-tenths

1
chéng
  
,
liǎng
chéng
  

You'll take eighty per cent and I twenty per cent.

2
chéng
xīn

eighty per cent new; mostly/practically new

As an Adverb

most likely; most/very probably

3
chéngr  
八成儿
zàijiā
在家
  

Most probably he is not at home.