-12.56% is the change from 812 to 710
Calculation steps:
[( 710 - 812 ) ÷ 812] x 100 = -12.56%
Formula
Percentage change = [(710 - 812) / 812] x 100
Subtract the new number by the original number
710 - 812 = -102
-102 ÷ 812 = -0.12561576354679804
-0.12561576354679804 x 100 = -12.56%