-0.65% is the change from 155 to 154
Calculation steps:
[( 154 - 155 ) ÷ 155] x 100 = -0.65%
Formula
Percentage change = [(154 - 155) / 155] x 100
Subtract the new number by the original number
154 - 155 = -1
-1 ÷ 155 = -0.0064516129032258064
-0.0064516129032258064 x 100 = -0.65%