-8.73% is the change from 275 to 251
Calculation steps:
[( 251 - 275 ) ÷ 275] x 100 = -8.73%
Formula
Percentage change = [(251 - 275) / 275] x 100
Subtract the new number by the original number
251 - 275 = -24
-24 ÷ 275 = -0.08727272727272728
-0.08727272727272728 x 100 = -8.73%