-15.06% is the change from 166 to 141
Calculation steps:
[( 141 - 166 ) ÷ 166] x 100 = -15.06%
Formula
Percentage change = [(141 - 166) / 166] x 100
Subtract the new number by the original number
141 - 166 = -25
-25 ÷ 166 = -0.15060240963855423
-0.15060240963855423 x 100 = -15.06%