The Armenia international ended up signing for AS Roma on a season-long loan deal after having been deemed surplus to requirements by Unai Emery at The Emirates.
Mkhitaryan struggled to produce consistent form for the Gunners after having signed for the north London club from Manchester United in January 2018 as part of the deal that saw Alexis Sanchez head the other way.
Both players ended up moving to Serie A this summer, with Sanchez having joined Inter Milan on a season-long loan deal.
And Mkhitaryan has now revealed why he opted to seek a move away from Arsenal this summer.
Speaking in an interview quoted by Sky Sports, Mkhitaryan said: “The last month at Arsenal I was not happy, so that’s why I said it was better to come to Roma and to get happy and to get the pleasure from playing football again.
“Now I am in Rome and I focus on them. This is not a step backwards as great football is played here. I wanted to change scenery and for me it is an opportunity to be seized.”
He added: “I have to enjoy playing football, no matter the place. In England, I no longer felt happy.
“I got a call from my agent and I wanted to come, because it was a great opportunity for me. I didn’t even have a discussion with my agent about money.
“Maybe I was not fitting so well in English football, so I think a change was good.”
Mkhitaryan scored just eight goals in 39 Premier League games during his time with the Gunners.
The north London side will return to Premier League action on Sunday when they take on Watford away from home.
The Gunners have won two, drawn one and lost one of their opening four games to leave them with seven points from a possible 12.
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