-40.52% is the change from 812 to 483
Calculation steps:
[( 483 - 812 ) ÷ 812] x 100 = -40.52%
Formula
Percentage change = [(483 - 812) / 812] x 100
Subtract the new number by the original number
483 - 812 = -329
-329 ÷ 812 = -0.4051724137931034
-0.4051724137931034 x 100 = -40.52%