The phrase "a massive increase over" is correct and usable in written English.
It can be used to describe a significant rise or growth in a particular metric or value compared to a previous point in time or another reference.
Example: "The company reported a massive increase over last year's sales figures, indicating strong market demand."
Alternatives: "a substantial rise compared to" or "a significant growth over".
The reported cost to ESPN: somewhere around $1.5 billion per year, a massive increase over the previous deal.
In percentage terms, that's a massive increase over five years, but it's just a drop in the ocean of music consumption, and it speaks simply to increased availability rather than substantially increased demand.
This approach, which is being called micron-gap thermal photovoltaics (hence MTPV), is capable of generating 5-10 watts per square centimetre, a massive increase over what has been possible before.
As a result, mine production saw a massive increase over the previous three decades on the back of gold production (Yankson, 2010).
Because online orders at Chipotle are worth $17 per ticket, a massive increase over the typical $12 order that takes place in the store.
According to the Chicago Sun-Times, more than 143,000 early ballots were cast, marking a massive increase over both the first-round election in February and the previous mayoral contest in 2011.
Ministers have sanctioned a massive increase in surveillance over the last decade, at great cost to the taxpayer, without properly assessing its effectiveness or protecting the privacy of innocent people".
The lowest rate in 2012 was around 6.9%, but they now start at around 4%-4.5%, said Alistair Hargreaves at broker John Charcol, whose second charge department has seen a "massive increase" in business over the past year.
First, there has been a massive increase in productivity over the same time period which means a business needs fewer people to do more stuff.
"There's been a massive increase in settlement over the course of the last years... and there's an increase in the violence because there's this frustration that's growing," Kerry said Tuesday, noting that Israelis are similarly frustrated by the prolonged conflict.
Weeks after the White House released its budget request, which provided a massive increase in defense spending, Congress took over and added even more money for ships, aircraft and missile defenses in what amounts to a spending spree on major weapons systems.
