Remortgage or not?

Hi

I am considering remortgaging early and would appreciate any input.

Current mortgage due to run till 31/0/2019 at 3.99%, as of April this year £74,958 owed. 2% ERC if repayed before October this year then 1%.

I've been looking at the remortgage calculator on here and have seen a 5 year fixed for 1.89% with a £490 set up fee (no other fees).

I have a loan with £7,380 left to pay as of April at 6.6%.

My mortgage payments should be £443.32 per month but I pay £550.

I calculate that I would have to pay an ERC of £1,499.16 if I pay the mortgage off now.

My house is worth approx £130,000 and I would want to remortgage for £90,00 to pay off the current mortgage, loan and have a couple of thousand for some decorating.

Do the figures stack up? Would I be saving money?

If you need any more information please just ask.

Many thanks in advance xx