-12.45% is the change from 273 to 239
Calculation steps:
[( 239 - 273 ) ÷ 273] x 100 = -12.45%
Formula
Percentage change = [(239 - 273) / 273] x 100
Subtract the new number by the original number
239 - 273 = -34
-34 ÷ 273 = -0.12454212454212454
-0.12454212454212454 x 100 = -12.45%