23.46% is the change from 341 to 421
Calculation steps:
[( 421 - 341 ) ÷ 341] x 100 = 23.46%
Formula
Percentage change = [(421 - 341) / 341] x 100
Subtract the new number by the original number
421 - 341 = 80
80 ÷ 341 = 0.23460410557184752
0.23460410557184752 x 100 = 23.46%