50.56% is the change from 449 to 676
Calculation steps:
[( 676 - 449 ) ÷ 449] x 100 = 50.56%
Formula
Percentage change = [(676 - 449) / 449] x 100
Subtract the new number by the original number
676 - 449 = 227
227 ÷ 449 = 0.5055679287305123
0.5055679287305123 x 100 = 50.56%