-30.7% is the change from 798 to 553
Calculation steps:
[( 553 - 798 ) ÷ 798] x 100 = -30.7%
Formula
Percentage change = [(553 - 798) / 798] x 100
Subtract the new number by the original number
553 - 798 = -245
-245 ÷ 798 = -0.30701754385964913
-0.30701754385964913 x 100 = -30.7%