87.53% is the change from 449 to 842
Calculation steps:
[( 842 - 449 ) ÷ 449] x 100 = 87.53%
Formula
Percentage change = [(842 - 449) / 449] x 100
Subtract the new number by the original number
842 - 449 = 393
393 ÷ 449 = 0.8752783964365256
0.8752783964365256 x 100 = 87.53%