-13.49% is the change from 126 to 109
Calculation steps:
[( 109 - 126 ) ÷ 126] x 100 = -13.49%
Formula
Percentage change = [(109 - 126) / 126] x 100
Subtract the new number by the original number
109 - 126 = -17
-17 ÷ 126 = -0.1349206349206349
-0.1349206349206349 x 100 = -13.49%