15.34% is the change from 365 to 421
Calculation steps:
[( 421 - 365 ) ÷ 365] x 100 = 15.34%
Formula
Percentage change = [(421 - 365) / 365] x 100
Subtract the new number by the original number
421 - 365 = 56
56 ÷ 365 = 0.15342465753424658
0.15342465753424658 x 100 = 15.34%