43400% is the change from 2 to 870
Calculation steps:
[( 870 - 2 ) ÷ 2] x 100 = 43400%
Formula
Percentage change = [(870 - 2) / 2] x 100
Subtract the new number by the original number
870 - 2 = 868
868 ÷ 2 = 434
434 x 100 = 43400%
Example