-29.67% is the change from 273 to 192
Calculation steps:
[( 192 - 273 ) ÷ 273] x 100 = -29.67%
Formula
Percentage change = [(192 - 273) / 273] x 100
Subtract the new number by the original number
192 - 273 = -81
-81 ÷ 273 = -0.2967032967032967
-0.2967032967032967 x 100 = -29.67%