18.14% is the change from 441 to 521
Calculation steps:
[( 521 - 441 ) ÷ 441] x 100 = 18.14%
Formula
Percentage change = [(521 - 441) / 441] x 100
Subtract the new number by the original number
521 - 441 = 80
80 ÷ 441 = 0.18140589569160998
0.18140589569160998 x 100 = 18.14%