-99.01% is the change from 710 to 7
Calculation steps:
[( 7 - 710 ) ÷ 710] x 100 = -99.01%
Formula
Percentage change = [(7 - 710) / 710] x 100
Subtract the new number by the original number
7 - 710 = -703
-703 ÷ 710 = -0.9901408450704225
-0.9901408450704225 x 100 = -99.01%