77.51% is the change from 449 to 797
Calculation steps:
[( 797 - 449 ) ÷ 449] x 100 = 77.51%
Formula
Percentage change = [(797 - 449) / 449] x 100
Subtract the new number by the original number
797 - 449 = 348
348 ÷ 449 = 0.7750556792873051
0.7750556792873051 x 100 = 77.51%