-64.62% is the change from 814 to 288
Calculation steps:
[( 288 - 814 ) ÷ 814] x 100 = -64.62%
Formula
Percentage change = [(288 - 814) / 814] x 100
Subtract the new number by the original number
288 - 814 = -526
-526 ÷ 814 = -0.6461916461916462
-0.6461916461916462 x 100 = -64.62%