-74.77% is the change from 329 to 83
Calculation steps:
[( 83 - 329 ) ÷ 329] x 100 = -74.77%
Formula
Percentage change = [(83 - 329) / 329] x 100
Subtract the new number by the original number
83 - 329 = -246
-246 ÷ 329 = -0.7477203647416414
-0.7477203647416414 x 100 = -74.77%