iWyze increases premium 97% without explanation

I checked my January bank statement and saw that my premium increased by a whopping 97%. I went to my email and checked the premium notification and I was only informed that it would increase and a reason for the dramatic increase was not provided. I emailed last week to inquire about this - no response. A consultant called me today after a website inquiry and I was put on hold and then the call dropped. Terrible service from the Old Mutual group. It’s probably going to be a mission cancelling this policy