-0.35% is the change from 851 to 848
Calculation steps:
[( 848 - 851 ) ÷ 851] x 100 = -0.35%
Formula
Percentage change = [(848 - 851) / 851] x 100
Subtract the new number by the original number
848 - 851 = -3
-3 ÷ 851 = -0.0035252643948296123
-0.0035252643948296123 x 100 = -0.35%