105.23% is the change from 421 to 864
Calculation steps:
[( 864 - 421 ) ÷ 421] x 100 = 105.23%
Formula
Percentage change = [(864 - 421) / 421] x 100
Subtract the new number by the original number
864 - 421 = 443
443 ÷ 421 = 1.0522565320665083
1.0522565320665083 x 100 = 105.23%