-2.99% is the change from 268 to 260
Calculation steps:
[( 260 - 268 ) ÷ 268] x 100 = -2.99%
Formula
Percentage change = [(260 - 268) / 268] x 100
Subtract the new number by the original number
260 - 268 = -8
-8 ÷ 268 = -0.029850746268656716
-0.029850746268656716 x 100 = -2.99%