-0.1% is the change from 960 to 959
Calculation steps:
[( 959 - 960 ) ÷ 960] x 100 = -0.1%
Formula
Percentage change = [(959 - 960) / 960] x 100
Subtract the new number by the original number
959 - 960 = -1
-1 ÷ 960 = -0.0010416666666666667
-0.0010416666666666667 x 100 = -0.1%