-27.69% is the change from 798 to 577
Calculation steps:
[( 577 - 798 ) ÷ 798] x 100 = -27.69%
Formula
Percentage change = [(577 - 798) / 798] x 100
Subtract the new number by the original number
577 - 798 = -221
-221 ÷ 798 = -0.2769423558897243
-0.2769423558897243 x 100 = -27.69%