4.55% is the change from 66 to 69
Calculation steps:
[( 69 - 66 ) ÷ 66] x 100 = 4.55%
Formula
Percentage change = [(69 - 66) / 66] x 100
Subtract the new number by the original number
69 - 66 = 3
3 ÷ 66 = 0.045454545454545456
0.045454545454545456 x 100 = 4.55%