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.
It’s the latest remarkable signpost for the greatest goalscorer of his generation, after winning the Premier League Golden Boot in his first two campaigns in England.
John Stones' 98th minute equaliser salvaged a 2-2 draw for Manchester City against 10-man Arsenal in a bad-tempered clash between the two favourites for the Premier League title on Sunday.
City, who have dominated English football since Guardiola's arrival in 2016, face a hefty points deduction or even expulsion from the league if found guilty on some or all of the 115 charges relating to financial regulations.
Manchester City boss Pep Guardiola on Friday urged players to lead the fight for change in the heated debate over the dangers posed by an increased fixture schedule as Bayern Munich manager Vincent Kompany demanded a cap on games.
Henrikh Mkhitaryan blazed over the best chance of the match 15 minutes from time.
Arsenal players are unfazed by Manchester City striker Erling Haaland's goal-scoring rampage, midfielder Jorginho said vouching for the Gunners' confidence ahead of Sunday's Premier League clash with City.
Guardiola's side are bracing for a whirlwind two days before they host Serie A champions Inter Milan in the Champions League.
Manchester City have been an unstoppable force in English football of late, but now face the challenge of clearing the club's name against accusations their dominance is built on foundations of financial impropriety.
Brentford had the perfect start when Yoane Wissa opened the scoring 22 seconds after kickoff to stun the Etihad Stadium but Haaland restored parity in the 19th minute when he scored from a tight angle with just his second touch of the game.
A long-awaited hearing into charges brought by the Premier League in February 2023 is finally set to get underway on Monday.
