-16.15% is the change from 130 to 109
Calculation steps:
[( 109 - 130 ) ÷ 130] x 100 = -16.15%
Formula
Percentage change = [(109 - 130) / 130] x 100
Subtract the new number by the original number
109 - 130 = -21
-21 ÷ 130 = -0.16153846153846155
-0.16153846153846155 x 100 = -16.15%