-7.55% is the change from 159 to 147
Calculation steps:
[( 147 - 159 ) ÷ 159] x 100 = -7.55%
Formula
Percentage change = [(147 - 159) / 159] x 100
Subtract the new number by the original number
147 - 159 = -12
-12 ÷ 159 = -0.07547169811320754
-0.07547169811320754 x 100 = -7.55%