-10.26% is the change from 273 to 245
Calculation steps:
[( 245 - 273 ) ÷ 273] x 100 = -10.26%
Formula
Percentage change = [(245 - 273) / 273] x 100
Subtract the new number by the original number
245 - 273 = -28
-28 ÷ 273 = -0.10256410256410256
-0.10256410256410256 x 100 = -10.26%