-34.94% is the change from 166 to 108
Calculation steps:
[( 108 - 166 ) ÷ 166] x 100 = -34.94%
Formula
Percentage change = [(108 - 166) / 166] x 100
Subtract the new number by the original number
108 - 166 = -58
-58 ÷ 166 = -0.3493975903614458
-0.3493975903614458 x 100 = -34.94%