-17.31% is the change from 797 to 659
Calculation steps:
[( 659 - 797 ) ÷ 797] x 100 = -17.31%
Formula
Percentage change = [(659 - 797) / 797] x 100
Subtract the new number by the original number
659 - 797 = -138
-138 ÷ 797 = -0.17314930991217065
-0.17314930991217065 x 100 = -17.31%