-64.03% is the change from 809 to 291
Calculation steps:
[( 291 - 809 ) ÷ 809] x 100 = -64.03%
Formula
Percentage change = [(291 - 809) / 809] x 100
Subtract the new number by the original number
291 - 809 = -518
-518 ÷ 809 = -0.6402966625463535
-0.6402966625463535 x 100 = -64.03%