-4.35% is the change from 851 to 814
Calculation steps:
[( 814 - 851 ) ÷ 851] x 100 = -4.35%
Formula
Percentage change = [(814 - 851) / 851] x 100
Subtract the new number by the original number
814 - 851 = -37
-37 ÷ 851 = -0.043478260869565216
-0.043478260869565216 x 100 = -4.35%