104.99% is the change from 421 to 863
Calculation steps:
[( 863 - 421 ) ÷ 421] x 100 = 104.99%
Formula
Percentage change = [(863 - 421) / 421] x 100
Subtract the new number by the original number
863 - 421 = 442
442 ÷ 421 = 1.0498812351543942
1.0498812351543942 x 100 = 104.99%