The chart below shows how control of the country has developed over the course of the war.
Prior to the invasion on 24th February 2022, Russia occupied approximately 7.04% of Ukraine.
Subsequently, Russia has expanded its occupation to an additional 10.46% of Ukraine.
They’re biased, but the maps don’t lie. There is a French chanel where you can see the front every week : les conflits en carte. It’s biased toward Russia, but the maps seem accurate, which is what matters anyway.