-78.99% is the change from 395 to 83
Calculation steps:
[( 83 - 395 ) ÷ 395] x 100 = -78.99%
Formula
Percentage change = [(83 - 395) / 395] x 100
Subtract the new number by the original number
83 - 395 = -312
-312 ÷ 395 = -0.789873417721519
-0.789873417721519 x 100 = -78.99%