-6.76% is the change from 148 to 138
Calculation steps:
[( 138 - 148 ) ÷ 148] x 100 = -6.76%
Formula
Percentage change = [(138 - 148) / 148] x 100
Subtract the new number by the original number
138 - 148 = -10
-10 ÷ 148 = -0.06756756756756757
-0.06756756756756757 x 100 = -6.76%