-57.38% is the change from 671 to 286
Calculation steps:
[( 286 - 671 ) ÷ 671] x 100 = -57.38%
Formula
Percentage change = [(286 - 671) / 671] x 100
Subtract the new number by the original number
286 - 671 = -385
-385 ÷ 671 = -0.5737704918032787
-0.5737704918032787 x 100 = -57.38%