-47.71% is the change from 851 to 445
Calculation steps:
[( 445 - 851 ) ÷ 851] x 100 = -47.71%
Formula
Percentage change = [(445 - 851) / 851] x 100
Subtract the new number by the original number
445 - 851 = -406
-406 ÷ 851 = -0.4770857814336075
-0.4770857814336075 x 100 = -47.71%