-34.8% is the change from 273 to 178
Calculation steps:
[( 178 - 273 ) ÷ 273] x 100 = -34.8%
Formula
Percentage change = [(178 - 273) / 273] x 100
Subtract the new number by the original number
178 - 273 = -95
-95 ÷ 273 = -0.34798534798534797
-0.34798534798534797 x 100 = -34.8%