How to pronounce 九成九 in Cantonese (3 out of 7):

九成九的人都不戴口罩
And 99% of them don't wear masks.

Cantonese Sentence Breakdown

九成九 gau2 sing4 gau2
99%, most probably or likely
dik1
of
~'s (possessive particle)
(used after an attribute)
(used to form a nominal expression)
(used at the end of a declarative sentence for emphasis)
truly
really
indeed
target
to lift up
few
small
to fetch
to move
to get
to pick up
to force
jan4
man
person
people M: 个gè [个]
位wèi [位]
mankind
someone else
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
fau2
same as否 (dated used in old text only), not
no
negative prefix
a final particle
daai3
to put on or wear (glasses, hat, gloves etc)
to respect
to bear
to support
a surname
口罩 hau2 zaau1
mask