translate English to French: National parks were less likely to meet the standard of 85% of visitors satisfied with value for entrance fee (i.e., four of six sites that did not reach the 85% target were national parks, and two of these sites did not meet the 50% very satisfied target).
100 des visiteurs sont satisfaits du rapport qualité-prix (c'est-à-dire, quatre des six endroits qui n'ont pas atteint la norme de 85 p. 100 étaient des parcs nationaux et deux d'entre eux n'ont pas atteint la norme selon laquelle 50 p.