-48.24% is the change from 170 to 88
Calculation steps:
[( 88 - 170 ) ÷ 170] x 100 = -48.24%
Formula
Percentage change = [(88 - 170) / 170] x 100
Subtract the new number by the original number
88 - 170 = -82
-82 ÷ 170 = -0.4823529411764706
-0.4823529411764706 x 100 = -48.24%