The 2010 maternal mortality rate per 100,000 births for Guinea is 680. This is compared with 859.9 in 2008 and 964.7 in 1990. The under 5 mortality rate, per 1,000 births is 146 and the neonatal mortality as a percentage of under 5s mortality is 29. In Guinea the number of midwives per 1,000 live births is 1 and the lifetime risk of death for pregnant women is 1 in 26. Guinea has the second highest prevalence of female genital mutilation in the world.
How many points lower is the maternal mortality rate in Guinea in 2010 compared with 1990?
284.7
number