-99.31% is the change from 434 to 3
Calculation steps:
[( 3 - 434 ) ÷ 434] x 100 = -99.31%
Formula
Percentage change = [(3 - 434) / 434] x 100
Subtract the new number by the original number
3 - 434 = -431
-431 ÷ 434 = -0.9930875576036866
-0.9930875576036866 x 100 = -99.31%