-49.08% is the change from 273 to 139
Calculation steps:
[( 139 - 273 ) ÷ 273] x 100 = -49.08%
Formula
Percentage change = [(139 - 273) / 273] x 100
Subtract the new number by the original number
139 - 273 = -134
-134 ÷ 273 = -0.4908424908424908
-0.4908424908424908 x 100 = -49.08%