-2.14% is the change from 795 to 778
Calculation steps:
[( 778 - 795 ) ÷ 795] x 100 = -2.14%
Formula
Percentage change = [(778 - 795) / 795] x 100
Subtract the new number by the original number
778 - 795 = -17
-17 ÷ 795 = -0.021383647798742137
-0.021383647798742137 x 100 = -2.14%