It means all of the hours I worked last year and this year are recalculated at my new 3% raised rate in 2025, and the 3% on top of the 2025 raise for this year.

I.e. if I made $100 000 in 2025 over 2000 hours for $50/hr, my 2025 wage would be upped to $51.50/hr, meaning I get a cheque for $3000 (minus taxes, pension, and dues)

That also means I would earn $106 090 this year, so any hours I worked this year would be at my new new rate of $53.045/hr