-11.89% is the change from 143 to 126
Calculation steps:
[( 126 - 143 ) ÷ 143] x 100 = -11.89%
Formula
Percentage change = [(126 - 143) / 143] x 100
Subtract the new number by the original number
126 - 143 = -17
-17 ÷ 143 = -0.11888111888111888
-0.11888111888111888 x 100 = -11.89%