-15.16% is the change from 798 to 677
Calculation steps:
[( 677 - 798 ) ÷ 798] x 100 = -15.16%
Formula
Percentage change = [(677 - 798) / 798] x 100
Subtract the new number by the original number
677 - 798 = -121
-121 ÷ 798 = -0.15162907268170425
-0.15162907268170425 x 100 = -15.16%