-69.72% is the change from 809 to 245
Calculation steps:
[( 245 - 809 ) ÷ 809] x 100 = -69.72%
Formula
Percentage change = [(245 - 809) / 809] x 100
Subtract the new number by the original number
245 - 809 = -564
-564 ÷ 809 = -0.6971569839307787
-0.6971569839307787 x 100 = -69.72%