-48.33% is the change from 329 to 170
Calculation steps:
[( 170 - 329 ) ÷ 329] x 100 = -48.33%
Formula
Percentage change = [(170 - 329) / 329] x 100
Subtract the new number by the original number
170 - 329 = -159
-159 ÷ 329 = -0.48328267477203646
-0.48328267477203646 x 100 = -48.33%