Plant-based food and beverage company SunOpta (NASDAQGS:STKL) will be announcing earnings results tomorrow afternoon. Here's what to expect.

Last quarter SunOpta reported revenues of $152.5 million, up 5.9% year on year, missing analyst expectations by 30%. It was a weaker quarter for the company, with full-year revenue guidance missing analysts' expectations and a miss of analysts' revenue estimates.

Is SunOpta buy or sell heading into the earnings? Read our full analysis here, it's free.

This quarter analysts are expecting SunOpta's revenue to decline 22.2% year on year to $172.1 million, a deceleration on the 8.4% year-over-year increase in revenue the company had recorded in the same quarter last year. Adjusted earnings are expected to come in at $0.02 per share.

Majority of analysts covering the company have reconfirmed their estimates over the last thirty days, suggesting they are expecting the business to stay the course heading into the earnings. The company missed Wall St's revenue estimates five times over the last two years.

Looking at SunOpta's peers in the packaged food segment, some of them have already reported Q4 earnings results, giving us a hint of what we can expect. Pilgrim's Pride delivered top-line growth of 9.7% year on year, beating analyst estimates by 1.2% and Kellanova reported revenues up 0.3% year on year, exceeding estimates by 3.1%. Pilgrim's Pride was up 4.5% on the results, and Kellanova was up 2.1%.

Read our full analysis of Pilgrim's Pride's results here and Kellanova's results here.

Investors in the packaged food segment have had steady hands going into the earnings, with the stocks down on average 0.2% over the last month. SunOpta is down 2% during the same time, and is heading into the earnings with analyst price target of $8.9, compared to share price of $5.91.

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