-67.22% is the change from 851 to 279
Calculation steps:
[( 279 - 851 ) ÷ 851] x 100 = -67.22%
Formula
Percentage change = [(279 - 851) / 851] x 100
Subtract the new number by the original number
279 - 851 = -572
-572 ÷ 851 = -0.6721504112808461
-0.6721504112808461 x 100 = -67.22%