-49.82% is the change from 273 to 137
Calculation steps:
[( 137 - 273 ) ÷ 273] x 100 = -49.82%
Formula
Percentage change = [(137 - 273) / 273] x 100
Subtract the new number by the original number
137 - 273 = -136
-136 ÷ 273 = -0.4981684981684982
-0.4981684981684982 x 100 = -49.82%