-99.54% is the change from 434 to 2
Calculation steps:
[( 2 - 434 ) ÷ 434] x 100 = -99.54%
Formula
Percentage change = [(2 - 434) / 434] x 100
Subtract the new number by the original number
2 - 434 = -432
-432 ÷ 434 = -0.9953917050691244
-0.9953917050691244 x 100 = -99.54%