-64.52% is the change from 806 to 286
Calculation steps:
[( 286 - 806 ) ÷ 806] x 100 = -64.52%
Formula
Percentage change = [(286 - 806) / 806] x 100
Subtract the new number by the original number
286 - 806 = -520
-520 ÷ 806 = -0.6451612903225806
-0.6451612903225806 x 100 = -64.52%