-99% is the change from 702 to 7
Calculation steps:
[( 7 - 702 ) ÷ 702] x 100 = -99%
Formula
Percentage change = [(7 - 702) / 702] x 100
Subtract the new number by the original number
7 - 702 = -695
-695 ÷ 702 = -0.99002849002849
-0.99002849002849 x 100 = -99%