-12.78% is the change from 814 to 710
Calculation steps:
[( 710 - 814 ) ÷ 814] x 100 = -12.78%
Formula
Percentage change = [(710 - 814) / 814] x 100
Subtract the new number by the original number
710 - 814 = -104
-104 ÷ 814 = -0.12776412776412777
-0.12776412776412777 x 100 = -12.78%