-34.78% is the change from 161 to 105
Calculation steps:
[( 105 - 161 ) ÷ 161] x 100 = -34.78%
Formula
Percentage change = [(105 - 161) / 161] x 100
Subtract the new number by the original number
105 - 161 = -56
-56 ÷ 161 = -0.34782608695652173
-0.34782608695652173 x 100 = -34.78%