-98.37% is the change from 429 to 7
Calculation steps:
[( 7 - 429 ) ÷ 429] x 100 = -98.37%
Formula
Percentage change = [(7 - 429) / 429] x 100
Subtract the new number by the original number
7 - 429 = -422
-422 ÷ 429 = -0.9836829836829837
-0.9836829836829837 x 100 = -98.37%