-74.16% is the change from 329 to 85
Calculation steps:
[( 85 - 329 ) ÷ 329] x 100 = -74.16%
Formula
Percentage change = [(85 - 329) / 329] x 100
Subtract the new number by the original number
85 - 329 = -244
-244 ÷ 329 = -0.7416413373860182
-0.7416413373860182 x 100 = -74.16%