87.31% is the change from 449 to 841
Calculation steps:
[( 841 - 449 ) ÷ 449] x 100 = 87.31%
Formula
Percentage change = [(841 - 449) / 449] x 100
Subtract the new number by the original number
841 - 449 = 392
392 ÷ 449 = 0.8730512249443207
0.8730512249443207 x 100 = 87.31%