52.12% is the change from 449 to 683
Calculation steps:
[( 683 - 449 ) ÷ 449] x 100 = 52.12%
Formula
Percentage change = [(683 - 449) / 449] x 100
Subtract the new number by the original number
683 - 449 = 234
234 ÷ 449 = 0.5211581291759465
0.5211581291759465 x 100 = 52.12%