-5.95% is the change from 168 to 158
Calculation steps:
[( 158 - 168 ) ÷ 168] x 100 = -5.95%
Formula
Percentage change = [(158 - 168) / 168] x 100
Subtract the new number by the original number
158 - 168 = -10
-10 ÷ 168 = -0.05952380952380952
-0.05952380952380952 x 100 = -5.95%