-1.43% is the change from 279 to 275
Calculation steps:
[( 275 - 279 ) ÷ 279] x 100 = -1.43%
Formula
Percentage change = [(275 - 279) / 279] x 100
Subtract the new number by the original number
275 - 279 = -4
-4 ÷ 279 = -0.014336917562724014
-0.014336917562724014 x 100 = -1.43%