-0.72% is the change from 139 to 138
Calculation steps:
[( 138 - 139 ) ÷ 139] x 100 = -0.72%
Formula
Percentage change = [(138 - 139) / 139] x 100
Subtract the new number by the original number
138 - 139 = -1
-1 ÷ 139 = -0.007194244604316547
-0.007194244604316547 x 100 = -0.72%