-65.88% is the change from 809 to 276
Calculation steps:
[( 276 - 809 ) ÷ 809] x 100 = -65.88%
Formula
Percentage change = [(276 - 809) / 809] x 100
Subtract the new number by the original number
276 - 809 = -533
-533 ÷ 809 = -0.6588380716934487
-0.6588380716934487 x 100 = -65.88%