-64.73% is the change from 811 to 286
Calculation steps:
[( 286 - 811 ) ÷ 811] x 100 = -64.73%
Formula
Percentage change = [(286 - 811) / 811] x 100
Subtract the new number by the original number
286 - 811 = -525
-525 ÷ 811 = -0.6473489519112207
-0.6473489519112207 x 100 = -64.73%