61.25% is the change from 449 to 724
Calculation steps:
[( 724 - 449 ) ÷ 449] x 100 = 61.25%
Formula
Percentage change = [(724 - 449) / 449] x 100
Subtract the new number by the original number
724 - 449 = 275
275 ÷ 449 = 0.6124721603563474
0.6124721603563474 x 100 = 61.25%