-99.02% is the change from 717 to 7
Calculation steps:
[( 7 - 717 ) ÷ 717] x 100 = -99.02%
Formula
Percentage change = [(7 - 717) / 717] x 100
Subtract the new number by the original number
7 - 717 = -710
-710 ÷ 717 = -0.9902370990237099
-0.9902370990237099 x 100 = -99.02%