-60.5% is the change from 833 to 329
Calculation steps:
[( 329 - 833 ) ÷ 833] x 100 = -60.5%
Formula
Percentage change = [(329 - 833) / 833] x 100
Subtract the new number by the original number
329 - 833 = -504
-504 ÷ 833 = -0.6050420168067226
-0.6050420168067226 x 100 = -60.5%