-33.54% is the change from 483 to 321
Calculation steps:
[( 321 - 483 ) ÷ 483] x 100 = -33.54%
Formula
Percentage change = [(321 - 483) / 483] x 100
Subtract the new number by the original number
321 - 483 = -162
-162 ÷ 483 = -0.33540372670807456
-0.33540372670807456 x 100 = -33.54%