-10.84% is the change from 166 to 148
Calculation steps:
[( 148 - 166 ) ÷ 166] x 100 = -10.84%
Formula
Percentage change = [(148 - 166) / 166] x 100
Subtract the new number by the original number
148 - 166 = -18
-18 ÷ 166 = -0.10843373493975904
-0.10843373493975904 x 100 = -10.84%