-46.06% is the change from 851 to 459
Calculation steps:
[( 459 - 851 ) ÷ 851] x 100 = -46.06%
Formula
Percentage change = [(459 - 851) / 851] x 100
Subtract the new number by the original number
459 - 851 = -392
-392 ÷ 851 = -0.4606345475910693
-0.4606345475910693 x 100 = -46.06%