5/7 jadikan kedalam bentuk deaimal persen dan permil

Desimal = 0.71
Persen = 71%
Permil = 710/1000
(maaf kalau salah)

desimal = 5/7 = 0.71 

persen = 5/7 = 0.71 x 100 = 71%

permil = 5/7 x 143/143 = 715/1000‰