Answer:
17%
Step-by-step explanation:
Matches won last season = 24
Matches won this season = 20
decrease in wins = 24 - 20 = 4 wins
percentage of decrease
=(decrease in wins ÷ matches won last season ) x 100%
= 4/24 X 100%
= 0.1666666667 X 100%
= 16.66667%
= 17 % (Rounded to nearest whole number)