Guardiola's side have lost eight of their past 11 games in all competitions following the devastating 2-1 defeat in the Manchester derby at the Etihad Stadium on Sunday.
Manchester City have won just once in 11 games in all competitions, a run that includes eight defeats.
Enzo Maresca's high-flying Chelsea beat Brentford 2-1 at Stamford Bridge to close to within two points of long-time leaders Liverpool, who have 36 points.
Josko Gvardiol's first-half goal appeared to have won the game for the Premier League champions but Bruno Fernandes levelled from the penalty spot in the 88th minute and the impressive Amad Diallo poked home the winner two minutes later.
Guardiola's side have won once in their last 10 matches in all competitions, sit fourth in the Premier League, eight points behind leaders Liverpool, and are in danger of a humiliating exit from the Champions League.
However, profits dipped from £80.4 million in City's treble-winning 2022-23 campaign to £73.8 million last season.
Manchester City were plunged further into crisis on Wednesday after falling to a 2-0 defeat at Juventus which threatens their chances of reaching the last 16.
The English champions stand accused of 80 breaches of financial rules between 2009 and 2018, plus a further 35 of failing to cooperate with a Premier League investigation.
Manchester City are fourth in the league table on 27 points after 15 games, while Palace are 16th.
Enzo Maresca does not believe his Chelsea side are in the Premier League title race despite an impressive start to the season in his first campaign at Stamford Bridge.
Rodri, who won the Ballon d'Or last month, underwent surgery after suffering an anterior cruciate ligament injury during a 2-2 draw at Arsenal, with manager Pep Guardiola saying he would not play again this season.
"We concede a lot of goals because we are not stable," complained Guardiola.
Manchester City were hammered 4-0 by Tottenham at the Etihad Stadium, extending their losing run to five matches in all competitions.
Spaniard Guardiola's decision means he will spend more than a decade at the club he joined in 2016 and has led to a dazzling array of silverware, including six Premier League titles and one Champions League crown.
Questions are being asked of Manchester City's title defence after they slipped five points behind leaders Liverpool at the weekend but centre back Ruben Dias has told the critics to write off City's chances at their peril.
Manchester City have lost each of their last four matches in all competitions, and Pep Guardiola admitted he is worried.
City's 4-1 defeat to Sporting Lisbon on Tuesday was a third straight loss for the English champions -- the first time that has happened since 2018.
Pep Guardiola believes Manchester City will struggle to overcome a mounting injury crisis but encouraged the English champions to bounce back in Tuesday's Champions League trip to Sporting Lisbon.
Sporting Lisbon coach Ruben Amorim, who will take over at Manchester United next week, hailed Manchester City manager Pep Guardiola as the best in the world on Monday.