-3.71% is the change from 808 to 778
Calculation steps:
[( 778 - 808 ) ÷ 808] x 100 = -3.71%
Formula
Percentage change = [(778 - 808) / 808] x 100
Subtract the new number by the original number
778 - 808 = -30
-30 ÷ 808 = -0.03712871287128713
-0.03712871287128713 x 100 = -3.71%