-53.94% is the change from 851 to 392
Calculation steps:
[( 392 - 851 ) ÷ 851] x 100 = -53.94%
Formula
Percentage change = [(392 - 851) / 851] x 100
Subtract the new number by the original number
392 - 851 = -459
-459 ÷ 851 = -0.5393654524089306
-0.5393654524089306 x 100 = -53.94%