-16.42% is the change from 798 to 667
Calculation steps:
[( 667 - 798 ) ÷ 798] x 100 = -16.42%
Formula
Percentage change = [(667 - 798) / 798] x 100
Subtract the new number by the original number
667 - 798 = -131
-131 ÷ 798 = -0.16416040100250626
-0.16416040100250626 x 100 = -16.42%