85.3% is the change from 449 to 832
Calculation steps:
[( 832 - 449 ) ÷ 449] x 100 = 85.3%
Formula
Percentage change = [(832 - 449) / 449] x 100
Subtract the new number by the original number
832 - 449 = 383
383 ÷ 449 = 0.8530066815144766
0.8530066815144766 x 100 = 85.3%