Correct

八成

/ bāchéng / 
Strokes

Definition

eighty percent/most probably/most likely

Example

As a Noun

eighty per cent; eight-tenths

1
Nǐ
你
ná
拿
bā
八
chéng
成
  
,
wǒ
我
ná
拿
liǎng
两
chéng
成
  
。

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

2
Bā
八
chéng
成
xīn
新

eighty per cent new; mostly/practically new

As an Adverb

most likely; most/very probably

3
Tā
他
bāchéngr  
八成儿
bù
不
zàijiā
在家
  
。

Most probably he is not at home.