-4.35% is the change from 69 to 66
Calculation steps:
[( 66 - 69 ) ÷ 69] x 100 = -4.35%
Formula
Percentage change = [(66 - 69) / 69] x 100
Subtract the new number by the original number
66 - 69 = -3
-3 ÷ 69 = -0.043478260869565216
-0.043478260869565216 x 100 = -4.35%