-91.58% is the change from 273 to 23
Calculation steps:
[( 23 - 273 ) ÷ 273] x 100 = -91.58%
Formula
Percentage change = [(23 - 273) / 273] x 100
Subtract the new number by the original number
23 - 273 = -250
-250 ÷ 273 = -0.9157509157509157
-0.9157509157509157 x 100 = -91.58%