When a parent company preperaing consolidated financials lost control and reaches significant influence , attracking equity method.
The change in ownership of subsidiary should be accounted for subsequently or to restate the prior period.
That is equity method should be applied from the date of change or should do this restructring from prior period financial staement presented.
With Best Wishes and Regards

Dear Shabih,

When part of an investment in a subsidiary is sold during the reporting period, the parent should record its investment after the disposal in the consolidated accounts as follows:
– If a …