Answer
Percentage of increase = 46.67%
Step by step explanation
Here we have to use the formula.
From 45 to 66, here it is increased 45 to 66
Percentage of increase = Increase ÷ Original Number × 100.
increase = 66 - 45 = 21
Percentage of increase = 21/45 * 100
= 2100/45
Percentage of increase = 46.67%
