80.62% is the change from 449 to 811
Calculation steps:
[( 811 - 449 ) ÷ 449] x 100 = 80.62%
Formula
Percentage change = [(811 - 449) / 449] x 100
Subtract the new number by the original number
811 - 449 = 362
362 ÷ 449 = 0.8062360801781737
0.8062360801781737 x 100 = 80.62%