What changed in Hungary’s election? | Explained

The story so far:

In Hungary’s general elections held on April 12, Viktor Orban (63), the Christian nationalist Prime Minister who had been in power since 2010, slumped to a shock defeat. His party, Fidesz, won only 55 seats (37.8% vote share) in the 199-member National Assembly. The Opposition Tisza Party, led by Peter Magyar (45), a former Fidesz leader, secured a two-thirds majority with 138 seats (53.6% of the vote), while the far-right Mi Hazank (Our Homeland Movement) won six seats (5.8% vote share).