-10.69% is the change from 159 to 142
Calculation steps:
[( 142 - 159 ) ÷ 159] x 100 = -10.69%
Formula
Percentage change = [(142 - 159) / 159] x 100
Subtract the new number by the original number
142 - 159 = -17
-17 ÷ 159 = -0.1069182389937107
-0.1069182389937107 x 100 = -10.69%