103.33% is the change from 420 to 854
Calculation steps:
[( 854 - 420 ) ÷ 420] x 100 = 103.33%
Formula
Percentage change = [(854 - 420) / 420] x 100
Subtract the new number by the original number
854 - 420 = 434
434 ÷ 420 = 1.0333333333333334
1.0333333333333334 x 100 = 103.33%