-53.05% is the change from 820 to 385
Calculation steps:
[( 385 - 820 ) ÷ 820] x 100 = -53.05%
Formula
Percentage change = [(385 - 820) / 820] x 100
Subtract the new number by the original number
385 - 820 = -435
-435 ÷ 820 = -0.5304878048780488
-0.5304878048780488 x 100 = -53.05%