-0.88% is the change from 797 to 790
Calculation steps:
[( 790 - 797 ) ÷ 797] x 100 = -0.88%
Formula
Percentage change = [(790 - 797) / 797] x 100
Subtract the new number by the original number
790 - 797 = -7
-7 ÷ 797 = -0.00878293601003764
-0.00878293601003764 x 100 = -0.88%