-3.34% is the change from 809 to 782
Calculation steps:
[( 782 - 809 ) ÷ 809] x 100 = -3.34%
Formula
Percentage change = [(782 - 809) / 809] x 100
Subtract the new number by the original number
782 - 809 = -27
-27 ÷ 809 = -0.03337453646477132
-0.03337453646477132 x 100 = -3.34%