-7.64% is the change from 275 to 254
Calculation steps:
[( 254 - 275 ) ÷ 275] x 100 = -7.64%
Formula
Percentage change = [(254 - 275) / 275] x 100
Subtract the new number by the original number
254 - 275 = -21
-21 ÷ 275 = -0.07636363636363637
-0.07636363636363637 x 100 = -7.64%