-79.64% is the change from 329 to 67
Calculation steps:
[( 67 - 329 ) ÷ 329] x 100 = -79.64%
Formula
Percentage change = [(67 - 329) / 329] x 100
Subtract the new number by the original number
67 - 329 = -262
-262 ÷ 329 = -0.7963525835866262
-0.7963525835866262 x 100 = -79.64%