-66.31% is the change from 849 to 286
Calculation steps:
[( 286 - 849 ) ÷ 849] x 100 = -66.31%
Formula
Percentage change = [(286 - 849) / 849] x 100
Subtract the new number by the original number
286 - 849 = -563
-563 ÷ 849 = -0.6631330977620731
-0.6631330977620731 x 100 = -66.31%