The figures given are for provincial income tax which is calculated as a percentage of federal tax, not a percentage of your income. "Personal income tax rates are expressed as a percentage of personal income tax rates determined under the Income Tax Act (Canada)."
The figures given are for provincial income tax which is calculated as a percentage of federal tax, not a percentage of your income. "Personal income tax rates are expressed as a percentage of personal income tax rates determined under the Income Tax Act (Canada)."