-51.35% is the change from 812 to 395
Calculation steps:
[( 395 - 812 ) ÷ 812] x 100 = -51.35%
Formula
Percentage change = [(395 - 812) / 812] x 100
Subtract the new number by the original number
395 - 812 = -417
-417 ÷ 812 = -0.5135467980295566
-0.5135467980295566 x 100 = -51.35%