Solve using excel and excel formulas

Jaden, a food restaurant editor for Times magazine wrote on his blog about the percent of people from Los Angeles that eat pizza at select stores. Students at PCC decided to test this percentages and surveyed their classmates (Table 2). Using Chi-square goodness of fit test, and a 5% level of significance, is Jaden's claim correct?

Table 1

Dominos

Rev Pizza

Chi Chis

CPK

Numero Uno

Blaze

0.1

0.25

0.15

0.05

0.25

0.2

Table 2

Dominos

Rev Pizza

Chi Chis

CPK

Numero Uno

Blaze

50

30

40

45

60

80