-78.48% is the change from 395 to 85
Calculation steps:
[( 85 - 395 ) ÷ 395] x 100 = -78.48%
Formula
Percentage change = [(85 - 395) / 395] x 100
Subtract the new number by the original number
85 - 395 = -310
-310 ÷ 395 = -0.7848101265822784
-0.7848101265822784 x 100 = -78.48%