-17.06% is the change from 170 to 141
Calculation steps:
[( 141 - 170 ) ÷ 170] x 100 = -17.06%
Formula
Percentage change = [(141 - 170) / 170] x 100
Subtract the new number by the original number
141 - 170 = -29
-29 ÷ 170 = -0.17058823529411765
-0.17058823529411765 x 100 = -17.06%