-72.94% is the change from 170 to 46
Calculation steps:
[( 46 - 170 ) ÷ 170] x 100 = -72.94%
Formula
Percentage change = [(46 - 170) / 170] x 100
Subtract the new number by the original number
46 - 170 = -124
-124 ÷ 170 = -0.7294117647058823
-0.7294117647058823 x 100 = -72.94%