-30.95% is the change from 798 to 551
Calculation steps:
[( 551 - 798 ) ÷ 798] x 100 = -30.95%
Formula
Percentage change = [(551 - 798) / 798] x 100
Subtract the new number by the original number
551 - 798 = -247
-247 ÷ 798 = -0.30952380952380953
-0.30952380952380953 x 100 = -30.95%