-69.47% is the change from 809 to 247
Calculation steps:
[( 247 - 809 ) ÷ 809] x 100 = -69.47%
Formula
Percentage change = [(247 - 809) / 809] x 100
Subtract the new number by the original number
247 - 809 = -562
-562 ÷ 809 = -0.6946847960444994
-0.6946847960444994 x 100 = -69.47%