-64.74% is the change from 814 to 287
Calculation steps:
[( 287 - 814 ) ÷ 814] x 100 = -64.74%
Formula
Percentage change = [(287 - 814) / 814] x 100
Subtract the new number by the original number
287 - 814 = -527
-527 ÷ 814 = -0.6474201474201474
-0.6474201474201474 x 100 = -64.74%