-87.34% is the change from 395 to 50
Calculation steps:
[( 50 - 395 ) ÷ 395] x 100 = -87.34%
Formula
Percentage change = [(50 - 395) / 395] x 100
Subtract the new number by the original number
50 - 395 = -345
-345 ÷ 395 = -0.8734177215189873
-0.8734177215189873 x 100 = -87.34%