Horizon Blue Cross Blue Sheild Insurance Card?

The 100 means they pay 100% of the charges (after you pay the co-pay) for procedures not subject to the deductible.

The 80 means they pay 80% of the in-network charges for procedures subject to the deductible after you've paid the deductible until you've paid the policy out-of-pocket maximum.

The 60 means they pay 60% of the out-of-network charges for procedures subject to the deductible after you've paid the deductible until you've paid the policy out-of-pocket maximum.

You can ask your HR department for more information.

If you have the coverage, then you have access to the policy provisions. Read them.