The basic benefit rate is 55% of your average insured earnings up to a yearly maximum insurable amount of $40,000. This means you can receive a maximum payment of $423 per week. Your EI payment is a taxable income, meaning federal and provincial or territorial, if it applies, taxes will be deducted.
You could receive a higher benefit rate if you are in a low-income family — an income of less than $25,921 — with children and you receive the Canada Child Tax Benefit (CCTB), your are entitled to the Family Supplement.
please read their official link