-22.35% is the change from 170 to 132
Calculation steps:
[( 132 - 170 ) ÷ 170] x 100 = -22.35%
Formula
Percentage change = [(132 - 170) / 170] x 100
Subtract the new number by the original number
132 - 170 = -38
-38 ÷ 170 = -0.2235294117647059
-0.2235294117647059 x 100 = -22.35%