Spectrum Spectrum TV Lied to me and overcharged me Orlando Florida

I called a month ago to get a quote with Spectrum because I've heard their internet is fast and I wasn't satisfied with the service I was having with ATT. After I talked to the sales representative she said Spectrum would match what I was paying for ATT, and I paid almost $200 for the installation fee. After a month I received the bill and they were overcharging me 25% more than they said they would. I called to complain and everybody was very rude and they told me cancel. I asked them to refund me the installation fee and they hung up on me. Someone has to stop them!