-65.75% is the change from 838 to 287
Calculation steps:
[( 287 - 838 ) ÷ 838] x 100 = -65.75%
Formula
Percentage change = [(287 - 838) / 838] x 100
Subtract the new number by the original number
287 - 838 = -551
-551 ÷ 838 = -0.6575178997613366
-0.6575178997613366 x 100 = -65.75%