-60.02% is the change from 823 to 329
Calculation steps:
[( 329 - 823 ) ÷ 823] x 100 = -60.02%
Formula
Percentage change = [(329 - 823) / 823] x 100
Subtract the new number by the original number
329 - 823 = -494
-494 ÷ 823 = -0.6002430133657352
-0.6002430133657352 x 100 = -60.02%