-99.02% is the change from 715 to 7
Calculation steps:
[( 7 - 715 ) ÷ 715] x 100 = -99.02%
Formula
Percentage change = [(7 - 715) / 715] x 100
Subtract the new number by the original number
7 - 715 = -708
-708 ÷ 715 = -0.9902097902097902
-0.9902097902097902 x 100 = -99.02%