-6.81% is the change from 279 to 260
Calculation steps:
[( 260 - 279 ) ÷ 279] x 100 = -6.81%
Formula
Percentage change = [(260 - 279) / 279] x 100
Subtract the new number by the original number
260 - 279 = -19
-19 ÷ 279 = -0.06810035842293907
-0.06810035842293907 x 100 = -6.81%