-8.36% is the change from 849 to 778
Calculation steps:
[( 778 - 849 ) ÷ 849] x 100 = -8.36%
Formula
Percentage change = [(778 - 849) / 849] x 100
Subtract the new number by the original number
778 - 849 = -71
-71 ÷ 849 = -0.08362779740871613
-0.08362779740871613 x 100 = -8.36%