11.58% is the change from 449 to 501
Calculation steps:
[( 501 - 449 ) ÷ 449] x 100 = 11.58%
Formula
Percentage change = [(501 - 449) / 449] x 100
Subtract the new number by the original number
501 - 449 = 52
52 ÷ 449 = 0.11581291759465479
0.11581291759465479 x 100 = 11.58%