What means that "% more" on the gems packages?

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it means I’ll get more gems (500 gems + 33%) or it’s just to show the advantage of the promotion?

It means it is cheaper than the usual price, for the same amount of gems --> 50% = 50% cheaper.

 

what about this one??? There is no discount, how can it be cheaper??

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This one, I don’t know :-/