-31.2% is the change from 798 to 549
Calculation steps:
[( 549 - 798 ) ÷ 798] x 100 = -31.2%
Formula
Percentage change = [(549 - 798) / 798] x 100
Subtract the new number by the original number
549 - 798 = -249
-249 ÷ 798 = -0.31203007518796994
-0.31203007518796994 x 100 = -31.2%