-31.14% is the change from 273 to 188
Calculation steps:
[( 188 - 273 ) ÷ 273] x 100 = -31.14%
Formula
Percentage change = [(188 - 273) / 273] x 100
Subtract the new number by the original number
188 - 273 = -85
-85 ÷ 273 = -0.31135531135531136
-0.31135531135531136 x 100 = -31.14%