-84.71% is the change from 170 to 26
Calculation steps:
[( 26 - 170 ) ÷ 170] x 100 = -84.71%
Formula
Percentage change = [(26 - 170) / 170] x 100
Subtract the new number by the original number
26 - 170 = -144
-144 ÷ 170 = -0.8470588235294118
-0.8470588235294118 x 100 = -84.71%