-10.13% is the change from 790 to 710
Calculation steps:
[( 710 - 790 ) ÷ 790] x 100 = -10.13%
Formula
Percentage change = [(710 - 790) / 790] x 100
Subtract the new number by the original number
710 - 790 = -80
-80 ÷ 790 = -0.10126582278481013
-0.10126582278481013 x 100 = -10.13%