-82.67% is the change from 329 to 57
Calculation steps:
[( 57 - 329 ) ÷ 329] x 100 = -82.67%
Formula
Percentage change = [(57 - 329) / 329] x 100
Subtract the new number by the original number
57 - 329 = -272
-272 ÷ 329 = -0.8267477203647416
-0.8267477203647416 x 100 = -82.67%