41700% is the change from 2 to 836
Calculation steps:
[( 836 - 2 ) ÷ 2] x 100 = 41700%
Formula
Percentage change = [(836 - 2) / 2] x 100
Subtract the new number by the original number
836 - 2 = 834
834 ÷ 2 = 417
417 x 100 = 41700%
Example