17.61% is the change from 443 to 521
Calculation steps:
[( 521 - 443 ) ÷ 443] x 100 = 17.61%
Formula
Percentage change = [(521 - 443) / 443] x 100
Subtract the new number by the original number
521 - 443 = 78
78 ÷ 443 = 0.17607223476297967
0.17607223476297967 x 100 = 17.61%