-79.33% is the change from 329 to 68
Calculation steps:
[( 68 - 329 ) ÷ 329] x 100 = -79.33%
Formula
Percentage change = [(68 - 329) / 329] x 100
Subtract the new number by the original number
68 - 329 = -261
-261 ÷ 329 = -0.7933130699088146
-0.7933130699088146 x 100 = -79.33%