-52.06% is the change from 851 to 408
Calculation steps:
[( 408 - 851 ) ÷ 851] x 100 = -52.06%
Formula
Percentage change = [(408 - 851) / 851] x 100
Subtract the new number by the original number
408 - 851 = -443
-443 ÷ 851 = -0.5205640423031728
-0.5205640423031728 x 100 = -52.06%