-0.63% is the change from 159 to 158
Calculation steps:
[( 158 - 159 ) ÷ 159] x 100 = -0.63%
Formula
Percentage change = [(158 - 159) / 159] x 100
Subtract the new number by the original number
158 - 159 = -1
-1 ÷ 159 = -0.006289308176100629
-0.006289308176100629 x 100 = -0.63%