-49.12% is the change from 851 to 433
Calculation steps:
[( 433 - 851 ) ÷ 851] x 100 = -49.12%
Formula
Percentage change = [(433 - 851) / 851] x 100
Subtract the new number by the original number
433 - 851 = -418
-418 ÷ 851 = -0.491186839012926
-0.491186839012926 x 100 = -49.12%