-98.37% is the change from 430 to 7
Calculation steps:
[( 7 - 430 ) ÷ 430] x 100 = -98.37%
Formula
Percentage change = [(7 - 430) / 430] x 100
Subtract the new number by the original number
7 - 430 = -423
-423 ÷ 430 = -0.9837209302325581
-0.9837209302325581 x 100 = -98.37%