-60.75% is the change from 851 to 334
Calculation steps:
[( 334 - 851 ) ÷ 851] x 100 = -60.75%
Formula
Percentage change = [(334 - 851) / 851] x 100
Subtract the new number by the original number
334 - 851 = -517
-517 ÷ 851 = -0.6075205640423031
-0.6075205640423031 x 100 = -60.75%