-31.14% is the change from 851 to 586
Calculation steps:
[( 586 - 851 ) ÷ 851] x 100 = -31.14%
Formula
Percentage change = [(586 - 851) / 851] x 100
Subtract the new number by the original number
586 - 851 = -265
-265 ÷ 851 = -0.31139835487661577
-0.31139835487661577 x 100 = -31.14%