-24.47% is the change from 809 to 611
Calculation steps:
[( 611 - 809 ) ÷ 809] x 100 = -24.47%
Formula
Percentage change = [(611 - 809) / 809] x 100
Subtract the new number by the original number
611 - 809 = -198
-198 ÷ 809 = -0.24474660074165636
-0.24474660074165636 x 100 = -24.47%