-13.92% is the change from 790 to 680
Calculation steps:
[( 680 - 790 ) ÷ 790] x 100 = -13.92%
Formula
Percentage change = [(680 - 790) / 790] x 100
Subtract the new number by the original number
680 - 790 = -110
-110 ÷ 790 = -0.13924050632911392
-0.13924050632911392 x 100 = -13.92%