-98.6% is the change from 429 to 6
Calculation steps:
[( 6 - 429 ) ÷ 429] x 100 = -98.6%
Formula
Percentage change = [(6 - 429) / 429] x 100
Subtract the new number by the original number
6 - 429 = -423
-423 ÷ 429 = -0.986013986013986
-0.986013986013986 x 100 = -98.6%