-8.73% is the change from 126 to 115
Calculation steps:
[( 115 - 126 ) ÷ 126] x 100 = -8.73%
Formula
Percentage change = [(115 - 126) / 126] x 100
Subtract the new number by the original number
115 - 126 = -11
-11 ÷ 126 = -0.0873015873015873
-0.0873015873015873 x 100 = -8.73%