115.24% is the change from 420 to 904
Calculation steps:
[( 904 - 420 ) ÷ 420] x 100 = 115.24%
Formula
Percentage change = [(904 - 420) / 420] x 100
Subtract the new number by the original number
904 - 420 = 484
484 ÷ 420 = 1.1523809523809523
1.1523809523809523 x 100 = 115.24%