515.07% is the change from 73 to 449
Calculation steps:
[( 449 - 73 ) ÷ 73] x 100 = 515.07%
Formula
Percentage change = [(449 - 73) / 73] x 100
Subtract the new number by the original number
449 - 73 = 376
376 ÷ 73 = 5.1506849315068495
5.1506849315068495 x 100 = 515.07%