122.05% is the change from 449 to 997
Calculation steps:
[( 997 - 449 ) ÷ 449] x 100 = 122.05%
Formula
Percentage change = [(997 - 449) / 449] x 100
Subtract the new number by the original number
997 - 449 = 548
548 ÷ 449 = 1.2204899777282852
1.2204899777282852 x 100 = 122.05%