-7.75% is the change from 129 to 119
Calculation steps:
[( 119 - 129 ) ÷ 129] x 100 = -7.75%
Formula
Percentage change = [(119 - 129) / 129] x 100
Subtract the new number by the original number
119 - 129 = -10
-10 ÷ 129 = -0.07751937984496124
-0.07751937984496124 x 100 = -7.75%