-69.34% is the change from 809 to 248
Calculation steps:
[( 248 - 809 ) ÷ 809] x 100 = -69.34%
Formula
Percentage change = [(248 - 809) / 809] x 100
Subtract the new number by the original number
248 - 809 = -561
-561 ÷ 809 = -0.6934487021013597
-0.6934487021013597 x 100 = -69.34%