-0.6% is the change from 168 to 167
Calculation steps:
[( 167 - 168 ) ÷ 168] x 100 = -0.6%
Formula
Percentage change = [(167 - 168) / 168] x 100
Subtract the new number by the original number
167 - 168 = -1
-1 ÷ 168 = -0.005952380952380952
-0.005952380952380952 x 100 = -0.6%