-0.88% is the change from 798 to 791
Calculation steps:
[( 791 - 798 ) ÷ 798] x 100 = -0.88%
Formula
Percentage change = [(791 - 798) / 798] x 100
Subtract the new number by the original number
791 - 798 = -7
-7 ÷ 798 = -0.008771929824561403
-0.008771929824561403 x 100 = -0.88%