-33.7% is the change from 273 to 181
Calculation steps:
[( 181 - 273 ) ÷ 273] x 100 = -33.7%
Formula
Percentage change = [(181 - 273) / 273] x 100
Subtract the new number by the original number
181 - 273 = -92
-92 ÷ 273 = -0.336996336996337
-0.336996336996337 x 100 = -33.7%