-48.15% is the change from 243 to 126
Calculation steps:
[( 126 - 243 ) ÷ 243] x 100 = -48.15%
Formula
Percentage change = [(126 - 243) / 243] x 100
Subtract the new number by the original number
126 - 243 = -117
-117 ÷ 243 = -0.48148148148148145
-0.48148148148148145 x 100 = -48.15%