104.51% is the change from 421 to 861
Calculation steps:
[( 861 - 421 ) ÷ 421] x 100 = 104.51%
Formula
Percentage change = [(861 - 421) / 421] x 100
Subtract the new number by the original number
861 - 421 = 440
440 ÷ 421 = 1.0451306413301662
1.0451306413301662 x 100 = 104.51%