83.07% is the change from 449 to 822
Calculation steps:
[( 822 - 449 ) ÷ 449] x 100 = 83.07%
Formula
Percentage change = [(822 - 449) / 449] x 100
Subtract the new number by the original number
822 - 449 = 373
373 ÷ 449 = 0.8307349665924276
0.8307349665924276 x 100 = 83.07%