-54.71% is the change from 850 to 385
Calculation steps:
[( 385 - 850 ) ÷ 850] x 100 = -54.71%
Formula
Percentage change = [(385 - 850) / 850] x 100
Subtract the new number by the original number
385 - 850 = -465
-465 ÷ 850 = -0.5470588235294118
-0.5470588235294118 x 100 = -54.71%