Just make sure that the total % adds up to a 100%
Example:
local rewards = {
{ item = 28552, count = 500, chance = 16 },
{ item = 28553, count = 500, chance = 16 },
{ item = 28554, count = 500, chance = 16 },
{ item = 28555, count = 500, chance = 16 },
{ item = 28556, count...