The phrase "changed immensely" is correct and can be used in written English.
You can use it when describing how a situation or thing has evolved or been altered drastically, such as: "The landscape of the city has changed immensely over the last decade."
Two decades later, TV casting has changed immensely.
Since its inception almost 40 years ago, the Internet has evolved and changed immensely.
Politics have changed immensely since our 32nd president inhabited the White House.
"Since 1991, technology has changed immensely," said Michael Marr, a spokesman for the Pataki administration.
Regardless, things have changed immensely from 1990, when Ms. Zaporozhets opened her shop.
"My sight's not changed immensely, but the main reason was that with contact lenses I was feeling very uncomfortable".
"If we get him going, our lineup is going to change immensely," Collins said of Duda.
In the Veneto there's the Cru Cartizze Valdobbiadene Prosecco Superiore DOCG by Bisol, a winery in the town of Santo Stefano, Valdobbiadene". Wineries with top cooking schools: "This is destined to change immensely in the next few years.
But it's confidential at this point". Spivey, who produced an acclaimed made-for-television movie on the 1982 stabbing of actress Theresa Saldana, said he would soon reveal major news that would "change immensely the community's perception" of his proposed film, and should persuade San Diegans to accept it.
"It has changed me immensely.
In the last week, he said, he has been struck by how some things have remained the same even after 17 years — like taxis speeding through the streets of Manhattan — while technology and other aspects of life have changed so immensely.
