-8.7% is the change from 69 to 63
Calculation steps:
[( 63 - 69 ) ÷ 69] x 100 = -8.7%
Formula
Percentage change = [(63 - 69) / 69] x 100
Subtract the new number by the original number
63 - 69 = -6
-6 ÷ 69 = -0.08695652173913043
-0.08695652173913043 x 100 = -8.7%