100% is the change from 418 to 836
Calculation steps:
[( 836 - 418 ) ÷ 418] x 100 = 100%
Formula
Percentage change = [(836 - 418) / 418] x 100
Subtract the new number by the original number
836 - 418 = 418
418 ÷ 418 = 1
1 x 100 = 100%
Example