-64.53% is the change from 812 to 288
Calculation steps:
[( 288 - 812 ) ÷ 812] x 100 = -64.53%
Formula
Percentage change = [(288 - 812) / 812] x 100
Subtract the new number by the original number
288 - 812 = -524
-524 ÷ 812 = -0.645320197044335
-0.645320197044335 x 100 = -64.53%